4428320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2157

約数の個数: 48

約数和(自身を含む): 11271960

約数和(自身を除く): 6843640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 2129, 4258, 8516, 10645, 17032, 21290, 27677, 34064, 42580, 55354, 68128, 85160, 110708, 138385, 170320, 221416, 276770, 340640, 442832, 553540, 885664, 1107080, 2214160, 4428320]

約数ペア:

[(1, 4428320), (2, 2214160), (4, 1107080), (5, 885664), (8, 553540), (10, 442832), (13, 340640), (16, 276770), (20, 221416), (26, 170320), (32, 138385), (40, 110708), (52, 85160), (65, 68128), (80, 55354), (104, 42580), (130, 34064), (160, 27677), (208, 21290), (260, 17032), (416, 10645), (520, 8516), (1040, 4258), (2080, 2129)]