27900620

素因数分解:

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

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 65995776

約数和(自身を除く): 38095156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4091, 6820, 8182, 16364, 20455, 40910, 45001, 81820, 90002, 126821, 180004, 225005, 253642, 450010, 507284, 634105, 900020, 1268210, 1395031, 2536420, 2790062, 5580124, 6975155, 13950310, 27900620]

約数ペア:

[(1, 27900620), (2, 13950310), (4, 6975155), (5, 5580124), (10, 2790062), (11, 2536420), (20, 1395031), (22, 1268210), (31, 900020), (44, 634105), (55, 507284), (62, 450010), (110, 253642), (124, 225005), (155, 180004), (220, 126821), (310, 90002), (341, 81820), (620, 45001), (682, 40910), (1364, 20455), (1705, 16364), (3410, 8182), (4091, 6820)]