56081740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19609}}^1$

素因数の和:19642

約数の個数: 48

約数和(自身を含む): 138368160

約数和(自身を除く): 82286420

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, 19609, 39218, 78436, 98045, 196090, 215699, 254917, 392180, 431398, 509834, 862796, 1019668, 1078495, 1274585, 2156990, 2549170, 2804087, 4313980, 5098340, 5608174, 11216348, 14020435, 28040870, 56081740]

約数ペア:

[(1, 56081740), (2, 28040870), (4, 14020435), (5, 11216348), (10, 5608174), (11, 5098340), (13, 4313980), (20, 2804087), (22, 2549170), (26, 2156990), (44, 1274585), (52, 1078495), (55, 1019668), (65, 862796), (110, 509834), (130, 431398), (143, 392180), (220, 254917), (260, 215699), (286, 196090), (572, 98045), (715, 78436), (1430, 39218), (2860, 19609)]