80440220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 202704768

約数和(自身を除く): 122264548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 53, 70, 74, 106, 140, 148, 185, 212, 259, 265, 293, 370, 371, 518, 530, 586, 740, 742, 1036, 1060, 1172, 1295, 1465, 1484, 1855, 1961, 2051, 2590, 2930, 3710, 3922, 4102, 5180, 5860, 7420, 7844, 8204, 9805, 10255, 10841, 13727, 15529, 19610, 20510, 21682, 27454, 31058, 39220, 41020, 43364, 54205, 54908, 62116, 68635, 75887, 77645, 108410, 108703, 137270, 151774, 155290, 216820, 217406, 274540, 303548, 310580, 379435, 434812, 543515, 574573, 758870, 1087030, 1149146, 1517740, 2174060, 2298292, 2872865, 4022011, 5745730, 8044022, 11491460, 16088044, 20110055, 40220110, 80440220]

約数ペア:

[(1, 80440220), (2, 40220110), (4, 20110055), (5, 16088044), (7, 11491460), (10, 8044022), (14, 5745730), (20, 4022011), (28, 2872865), (35, 2298292), (37, 2174060), (53, 1517740), (70, 1149146), (74, 1087030), (106, 758870), (140, 574573), (148, 543515), (185, 434812), (212, 379435), (259, 310580), (265, 303548), (293, 274540), (370, 217406), (371, 216820), (518, 155290), (530, 151774), (586, 137270), (740, 108703), (742, 108410), (1036, 77645), (1060, 75887), (1172, 68635), (1295, 62116), (1465, 54908), (1484, 54205), (1855, 43364), (1961, 41020), (2051, 39220), (2590, 31058), (2930, 27454), (3710, 21682), (3922, 20510), (4102, 19610), (5180, 15529), (5860, 13727), (7420, 10841), (7844, 10255), (8204, 9805)]