56754520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 137052000

約数和(自身を除く): 80297480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1409, 2014, 2120, 2818, 4028, 5035, 5636, 7045, 8056, 10070, 11272, 14090, 20140, 26771, 28180, 40280, 53542, 56360, 74677, 107084, 133855, 149354, 214168, 267710, 298708, 373385, 535420, 597416, 746770, 1070840, 1418863, 1493540, 2837726, 2987080, 5675452, 7094315, 11350904, 14188630, 28377260, 56754520]

約数ペア:

[(1, 56754520), (2, 28377260), (4, 14188630), (5, 11350904), (8, 7094315), (10, 5675452), (19, 2987080), (20, 2837726), (38, 1493540), (40, 1418863), (53, 1070840), (76, 746770), (95, 597416), (106, 535420), (152, 373385), (190, 298708), (212, 267710), (265, 214168), (380, 149354), (424, 133855), (530, 107084), (760, 74677), (1007, 56360), (1060, 53542), (1409, 40280), (2014, 28180), (2120, 26771), (2818, 20140), (4028, 14090), (5035, 11272), (5636, 10070), (7045, 8056)]