78530183320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{891983}}^1$

素因数の和:892096

約数の個数: 64

約数和(自身を含む): 184961802240

約数和(自身を除く): 106431618920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2840, 4402, 8804, 11005, 17608, 22010, 44020, 88040, 891983, 1783966, 3567932, 4459915, 7135864, 8919830, 17839660, 27651473, 35679320, 55302946, 63330793, 110605892, 126661586, 138257365, 221211784, 253323172, 276514730, 316653965, 506646344, 553029460, 633307930, 1106058920, 1266615860, 1963254583, 2533231720, 3926509166, 7853018332, 9816272915, 15706036664, 19632545830, 39265091660, 78530183320]

約数ペア:

[(1, 78530183320), (2, 39265091660), (4, 19632545830), (5, 15706036664), (8, 9816272915), (10, 7853018332), (20, 3926509166), (31, 2533231720), (40, 1963254583), (62, 1266615860), (71, 1106058920), (124, 633307930), (142, 553029460), (155, 506646344), (248, 316653965), (284, 276514730), (310, 253323172), (355, 221211784), (568, 138257365), (620, 126661586), (710, 110605892), (1240, 63330793), (1420, 55302946), (2201, 35679320), (2840, 27651473), (4402, 17839660), (8804, 8919830), (11005, 7135864), (17608, 4459915), (22010, 3567932), (44020, 1783966), (88040, 891983)]