826610980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{2621}}^1$

素因数の和:3856

約数の個数: 48

約数和(自身を含む): 1871667504

約数和(自身を除く): 1045056524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1213, 2426, 2621, 4852, 5242, 6065, 10484, 12130, 13105, 15769, 24260, 26210, 31538, 34073, 52420, 63076, 68146, 78845, 136292, 157690, 170365, 315380, 340730, 681460, 3179273, 6358546, 12717092, 15896365, 31792730, 41330549, 63585460, 82661098, 165322196, 206652745, 413305490, 826610980]

約数ペア:

[(1, 826610980), (2, 413305490), (4, 206652745), (5, 165322196), (10, 82661098), (13, 63585460), (20, 41330549), (26, 31792730), (52, 15896365), (65, 12717092), (130, 6358546), (260, 3179273), (1213, 681460), (2426, 340730), (2621, 315380), (4852, 170365), (5242, 157690), (6065, 136292), (10484, 78845), (12130, 68146), (13105, 63076), (15769, 52420), (24260, 34073), (26210, 31538)]