78983960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16319}}^1$

素因数の和:16352

約数の個数: 48

約数和(自身を含む): 195350400

約数和(自身を除く): 116366440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16319, 32638, 65276, 81595, 130552, 163190, 179509, 326380, 359018, 652760, 718036, 897545, 1436072, 1795090, 1974599, 3590180, 3949198, 7180360, 7898396, 9872995, 15796792, 19745990, 39491980, 78983960]

約数ペア:

[(1, 78983960), (2, 39491980), (4, 19745990), (5, 15796792), (8, 9872995), (10, 7898396), (11, 7180360), (20, 3949198), (22, 3590180), (40, 1974599), (44, 1795090), (55, 1436072), (88, 897545), (110, 718036), (121, 652760), (220, 359018), (242, 326380), (440, 179509), (484, 163190), (605, 130552), (968, 81595), (1210, 65276), (2420, 32638), (4840, 16319)]