55119560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 127638720

約数和(自身を除く): 72519160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 157, 262, 268, 314, 335, 524, 536, 628, 655, 670, 785, 1048, 1256, 1310, 1340, 1570, 2620, 2680, 3140, 5240, 6280, 8777, 10519, 17554, 20567, 21038, 35108, 41134, 42076, 43885, 52595, 70216, 82268, 84152, 87770, 102835, 105190, 164536, 175540, 205670, 210380, 351080, 411340, 420760, 822680, 1377989, 2755978, 5511956, 6889945, 11023912, 13779890, 27559780, 55119560]

約数ペア:

[(1, 55119560), (2, 27559780), (4, 13779890), (5, 11023912), (8, 6889945), (10, 5511956), (20, 2755978), (40, 1377989), (67, 822680), (131, 420760), (134, 411340), (157, 351080), (262, 210380), (268, 205670), (314, 175540), (335, 164536), (524, 105190), (536, 102835), (628, 87770), (655, 84152), (670, 82268), (785, 70216), (1048, 52595), (1256, 43885), (1310, 42076), (1340, 41134), (1570, 35108), (2620, 21038), (2680, 20567), (3140, 17554), (5240, 10519), (6280, 8777)]