78251980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 174101760

約数和(自身を除く): 95849780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 2539, 3082, 5078, 6164, 7705, 10156, 12695, 15410, 25390, 30820, 50780, 58397, 116794, 170113, 233588, 291985, 340226, 583970, 680452, 850565, 1167940, 1701130, 3402260, 3912599, 7825198, 15650396, 19562995, 39125990, 78251980]

約数ペア:

[(1, 78251980), (2, 39125990), (4, 19562995), (5, 15650396), (10, 7825198), (20, 3912599), (23, 3402260), (46, 1701130), (67, 1167940), (92, 850565), (115, 680452), (134, 583970), (230, 340226), (268, 291985), (335, 233588), (460, 170113), (670, 116794), (1340, 58397), (1541, 50780), (2539, 30820), (3082, 25390), (5078, 15410), (6164, 12695), (7705, 10156)]