25702820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 68819520

約数和(自身を除く): 43116700

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 43, 44, 52, 55, 65, 76, 86, 95, 110, 121, 130, 143, 172, 190, 209, 215, 220, 242, 247, 260, 286, 380, 418, 430, 473, 484, 494, 559, 572, 605, 715, 817, 836, 860, 946, 988, 1045, 1118, 1210, 1235, 1430, 1573, 1634, 1892, 2090, 2236, 2299, 2365, 2420, 2470, 2717, 2795, 2860, 3146, 3268, 4085, 4180, 4598, 4730, 4940, 5203, 5434, 5590, 6149, 6292, 7865, 8170, 8987, 9196, 9460, 10406, 10621, 10868, 11180, 11495, 12298, 13585, 15730, 16340, 17974, 20812, 21242, 22990, 24596, 26015, 27170, 29887, 30745, 31460, 35948, 42484, 44935, 45980, 52030, 53105, 54340, 59774, 61490, 67639, 89870, 98857, 104060, 106210, 116831, 119548, 122980, 135278, 149435, 179740, 197714, 212420, 233662, 270556, 298870, 338195, 395428, 467324, 494285, 584155, 597740, 676390, 988570, 1168310, 1285141, 1352780, 1977140, 2336620, 2570282, 5140564, 6425705, 12851410, 25702820]

約数ペア:

[(1, 25702820), (2, 12851410), (4, 6425705), (5, 5140564), (10, 2570282), (11, 2336620), (13, 1977140), (19, 1352780), (20, 1285141), (22, 1168310), (26, 988570), (38, 676390), (43, 597740), (44, 584155), (52, 494285), (55, 467324), (65, 395428), (76, 338195), (86, 298870), (95, 270556), (110, 233662), (121, 212420), (130, 197714), (143, 179740), (172, 149435), (190, 135278), (209, 122980), (215, 119548), (220, 116831), (242, 106210), (247, 104060), (260, 98857), (286, 89870), (380, 67639), (418, 61490), (430, 59774), (473, 54340), (484, 53105), (494, 52030), (559, 45980), (572, 44935), (605, 42484), (715, 35948), (817, 31460), (836, 30745), (860, 29887), (946, 27170), (988, 26015), (1045, 24596), (1118, 22990), (1210, 21242), (1235, 20812), (1430, 17974), (1573, 16340), (1634, 15730), (1892, 13585), (2090, 12298), (2236, 11495), (2299, 11180), (2365, 10868), (2420, 10621), (2470, 10406), (2717, 9460), (2795, 9196), (2860, 8987), (3146, 8170), (3268, 7865), (4085, 6292), (4180, 6149), (4598, 5590), (4730, 5434), (4940, 5203)]