31776320

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 76200000

約数和(自身を除く): 44423680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 499, 796, 995, 998, 1592, 1990, 1996, 2495, 3184, 3980, 3992, 4990, 6368, 7960, 7984, 9980, 12736, 15920, 15968, 19960, 31840, 31936, 39920, 63680, 79840, 99301, 159680, 198602, 397204, 496505, 794408, 993010, 1588816, 1986020, 3177632, 3972040, 6355264, 7944080, 15888160, 31776320]

約数ペア:

[(1, 31776320), (2, 15888160), (4, 7944080), (5, 6355264), (8, 3972040), (10, 3177632), (16, 1986020), (20, 1588816), (32, 993010), (40, 794408), (64, 496505), (80, 397204), (160, 198602), (199, 159680), (320, 99301), (398, 79840), (499, 63680), (796, 39920), (995, 31936), (998, 31840), (1592, 19960), (1990, 15968), (1996, 15920), (2495, 12736), (3184, 9980), (3980, 7984), (3992, 7960), (4990, 6368)]