16451240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 42230160

約数和(自身を除く): 25778920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1861, 2210, 3722, 4420, 7444, 8840, 9305, 14888, 18610, 24193, 31637, 37220, 48386, 63274, 74440, 96772, 120965, 126548, 158185, 193544, 241930, 253096, 316370, 411281, 483860, 632740, 822562, 967720, 1265480, 1645124, 2056405, 3290248, 4112810, 8225620, 16451240]

約数ペア:

[(1, 16451240), (2, 8225620), (4, 4112810), (5, 3290248), (8, 2056405), (10, 1645124), (13, 1265480), (17, 967720), (20, 822562), (26, 632740), (34, 483860), (40, 411281), (52, 316370), (65, 253096), (68, 241930), (85, 193544), (104, 158185), (130, 126548), (136, 120965), (170, 96772), (221, 74440), (260, 63274), (340, 48386), (442, 37220), (520, 31637), (680, 24193), (884, 18610), (1105, 14888), (1768, 9305), (1861, 8840), (2210, 7444), (3722, 4420)]