28076620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9850

約数の個数: 48

約数和(自身を含む): 69275808

約数和(自身を除く): 41199188

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9817, 19634, 39268, 49085, 98170, 107987, 127621, 196340, 215974, 255242, 431948, 510484, 539935, 638105, 1079870, 1276210, 1403831, 2159740, 2552420, 2807662, 5615324, 7019155, 14038310, 28076620]

約数ペア:

[(1, 28076620), (2, 14038310), (4, 7019155), (5, 5615324), (10, 2807662), (11, 2552420), (13, 2159740), (20, 1403831), (22, 1276210), (26, 1079870), (44, 638105), (52, 539935), (55, 510484), (65, 431948), (110, 255242), (130, 215974), (143, 196340), (220, 127621), (260, 107987), (286, 98170), (572, 49085), (715, 39268), (1430, 19634), (2860, 9817)]