1242790480

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{89797}}^1$

素因数の和:89983

約数の個数: 40

約数和(自身を含む): 2906222472

約数和(自身を除く): 1663431992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 89797, 179594, 359188, 448985, 718376, 897970, 1436752, 1795940, 3591880, 7183760, 15534881, 31069762, 62139524, 77674405, 124279048, 155348810, 248558096, 310697620, 621395240, 1242790480]

約数ペア:

[(1, 1242790480), (2, 621395240), (4, 310697620), (5, 248558096), (8, 155348810), (10, 124279048), (16, 77674405), (20, 62139524), (40, 31069762), (80, 15534881), (173, 7183760), (346, 3591880), (692, 1795940), (865, 1436752), (1384, 897970), (1730, 718376), (2768, 448985), (3460, 359188), (6920, 179594), (13840, 89797)]