25605008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 63495936

約数和(自身を除く): 37890928

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 31, 38, 44, 52, 62, 76, 88, 104, 124, 143, 152, 176, 208, 209, 247, 248, 286, 304, 341, 361, 403, 418, 494, 496, 572, 589, 682, 722, 806, 836, 988, 1144, 1178, 1364, 1444, 1612, 1672, 1976, 2288, 2356, 2717, 2728, 2888, 3224, 3344, 3952, 3971, 4433, 4693, 4712, 5434, 5456, 5776, 6448, 6479, 7657, 7942, 8866, 9386, 9424, 10868, 11191, 12958, 15314, 15884, 17732, 18772, 21736, 22382, 25916, 30628, 31768, 35464, 37544, 43472, 44764, 51623, 51832, 61256, 63536, 70928, 75088, 84227, 89528, 103246, 103664, 122512, 123101, 145483, 168454, 179056, 206492, 246202, 290966, 336908, 412984, 492404, 581932, 673816, 825968, 984808, 1163864, 1347632, 1600313, 1969616, 2327728, 3200626, 6401252, 12802504, 25605008]

約数ペア:

[(1, 25605008), (2, 12802504), (4, 6401252), (8, 3200626), (11, 2327728), (13, 1969616), (16, 1600313), (19, 1347632), (22, 1163864), (26, 984808), (31, 825968), (38, 673816), (44, 581932), (52, 492404), (62, 412984), (76, 336908), (88, 290966), (104, 246202), (124, 206492), (143, 179056), (152, 168454), (176, 145483), (208, 123101), (209, 122512), (247, 103664), (248, 103246), (286, 89528), (304, 84227), (341, 75088), (361, 70928), (403, 63536), (418, 61256), (494, 51832), (496, 51623), (572, 44764), (589, 43472), (682, 37544), (722, 35464), (806, 31768), (836, 30628), (988, 25916), (1144, 22382), (1178, 21736), (1364, 18772), (1444, 17732), (1612, 15884), (1672, 15314), (1976, 12958), (2288, 11191), (2356, 10868), (2717, 9424), (2728, 9386), (2888, 8866), (3224, 7942), (3344, 7657), (3952, 6479), (3971, 6448), (4433, 5776), (4693, 5456), (4712, 5434)]