31872620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7211}}^1$

素因数の和:7250

約数の個数: 48

約数和(自身を含む): 76331808

約数和(自身を除く): 44459188

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 7211, 14422, 28844, 36055, 72110, 93743, 122587, 144220, 187486, 245174, 374972, 468715, 490348, 612935, 937430, 1225870, 1593631, 1874860, 2451740, 3187262, 6374524, 7968155, 15936310, 31872620]

約数ペア:

[(1, 31872620), (2, 15936310), (4, 7968155), (5, 6374524), (10, 3187262), (13, 2451740), (17, 1874860), (20, 1593631), (26, 1225870), (34, 937430), (52, 612935), (65, 490348), (68, 468715), (85, 374972), (130, 245174), (170, 187486), (221, 144220), (260, 122587), (340, 93743), (442, 72110), (884, 36055), (1105, 28844), (2210, 14422), (4420, 7211)]