16164980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 37067520

約数和(自身を除く): 20902540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 787, 790, 1027, 1574, 1580, 2054, 3148, 3935, 4108, 5135, 7870, 10231, 10270, 15740, 20462, 20540, 40924, 51155, 62173, 102310, 124346, 204620, 248692, 310865, 621730, 808249, 1243460, 1616498, 3232996, 4041245, 8082490, 16164980]

約数ペア:

[(1, 16164980), (2, 8082490), (4, 4041245), (5, 3232996), (10, 1616498), (13, 1243460), (20, 808249), (26, 621730), (52, 310865), (65, 248692), (79, 204620), (130, 124346), (158, 102310), (260, 62173), (316, 51155), (395, 40924), (787, 20540), (790, 20462), (1027, 15740), (1574, 10270), (1580, 10231), (2054, 7870), (3148, 5135), (3935, 4108)]