31754320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1607}}^1$

素因数の和:1652

約数の個数: 80

約数和(自身を含む): 83744640

約数和(自身を除く): 51990320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1607, 1976, 2470, 3214, 3952, 4940, 6428, 8035, 9880, 12856, 16070, 19760, 20891, 25712, 30533, 32140, 41782, 61066, 64280, 83564, 104455, 122132, 128560, 152665, 167128, 208910, 244264, 305330, 334256, 396929, 417820, 488528, 610660, 793858, 835640, 1221320, 1587716, 1671280, 1984645, 2442640, 3175432, 3969290, 6350864, 7938580, 15877160, 31754320]

約数ペア:

[(1, 31754320), (2, 15877160), (4, 7938580), (5, 6350864), (8, 3969290), (10, 3175432), (13, 2442640), (16, 1984645), (19, 1671280), (20, 1587716), (26, 1221320), (38, 835640), (40, 793858), (52, 610660), (65, 488528), (76, 417820), (80, 396929), (95, 334256), (104, 305330), (130, 244264), (152, 208910), (190, 167128), (208, 152665), (247, 128560), (260, 122132), (304, 104455), (380, 83564), (494, 64280), (520, 61066), (760, 41782), (988, 32140), (1040, 30533), (1235, 25712), (1520, 20891), (1607, 19760), (1976, 16070), (2470, 12856), (3214, 9880), (3952, 8035), (4940, 6428)]