31061920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 74299680

約数和(自身を除く): 43237760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2339, 2656, 3320, 4678, 6640, 9356, 11695, 13280, 18712, 23390, 37424, 46780, 74848, 93560, 187120, 194137, 374240, 388274, 776548, 970685, 1553096, 1941370, 3106192, 3882740, 6212384, 7765480, 15530960, 31061920]

約数ペア:

[(1, 31061920), (2, 15530960), (4, 7765480), (5, 6212384), (8, 3882740), (10, 3106192), (16, 1941370), (20, 1553096), (32, 970685), (40, 776548), (80, 388274), (83, 374240), (160, 194137), (166, 187120), (332, 93560), (415, 74848), (664, 46780), (830, 37424), (1328, 23390), (1660, 18712), (2339, 13280), (2656, 11695), (3320, 9356), (4678, 6640)]