211304080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15629}}^1$

素因数の和:15668

約数の個数: 60

約数和(自身を含む): 532013940

約数和(自身を除く): 320709860

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 15629, 31258, 62516, 78145, 125032, 156290, 203177, 250064, 312580, 406354, 625160, 812708, 1015885, 1250320, 1625416, 2031770, 2641301, 3250832, 4063540, 5282602, 8127080, 10565204, 13206505, 16254160, 21130408, 26413010, 42260816, 52826020, 105652040, 211304080]

約数ペア:

[(1, 211304080), (2, 105652040), (4, 52826020), (5, 42260816), (8, 26413010), (10, 21130408), (13, 16254160), (16, 13206505), (20, 10565204), (26, 8127080), (40, 5282602), (52, 4063540), (65, 3250832), (80, 2641301), (104, 2031770), (130, 1625416), (169, 1250320), (208, 1015885), (260, 812708), (338, 625160), (520, 406354), (676, 312580), (845, 250064), (1040, 203177), (1352, 156290), (1690, 125032), (2704, 78145), (3380, 62516), (6760, 31258), (13520, 15629)]