55801240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4091}}^1$

素因数の和:4144

約数の個数: 64

約数和(自身を含む): 141419520

約数和(自身を除く): 85618280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 4091, 6820, 8182, 13640, 16364, 20455, 32728, 40910, 45001, 81820, 90002, 126821, 163640, 180004, 225005, 253642, 360008, 450010, 507284, 634105, 900020, 1014568, 1268210, 1395031, 1800040, 2536420, 2790062, 5072840, 5580124, 6975155, 11160248, 13950310, 27900620, 55801240]

約数ペア:

[(1, 55801240), (2, 27900620), (4, 13950310), (5, 11160248), (8, 6975155), (10, 5580124), (11, 5072840), (20, 2790062), (22, 2536420), (31, 1800040), (40, 1395031), (44, 1268210), (55, 1014568), (62, 900020), (88, 634105), (110, 507284), (124, 450010), (155, 360008), (220, 253642), (248, 225005), (310, 180004), (341, 163640), (440, 126821), (620, 90002), (682, 81820), (1240, 45001), (1364, 40910), (1705, 32728), (2728, 20455), (3410, 16364), (4091, 13640), (6820, 8182)]