51716720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3457}}^1$

素因数の和:3498

約数の個数: 80

約数和(自身を含む): 138928608

約数和(自身を除く): 87211888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3457, 3740, 6914, 7480, 13828, 14960, 17285, 27656, 34570, 38027, 55312, 58769, 69140, 76054, 117538, 138280, 152108, 190135, 235076, 276560, 293845, 304216, 380270, 470152, 587690, 608432, 646459, 760540, 940304, 1175380, 1292918, 1521080, 2350760, 2585836, 3042160, 3232295, 4701520, 5171672, 6464590, 10343344, 12929180, 25858360, 51716720]

約数ペア:

[(1, 51716720), (2, 25858360), (4, 12929180), (5, 10343344), (8, 6464590), (10, 5171672), (11, 4701520), (16, 3232295), (17, 3042160), (20, 2585836), (22, 2350760), (34, 1521080), (40, 1292918), (44, 1175380), (55, 940304), (68, 760540), (80, 646459), (85, 608432), (88, 587690), (110, 470152), (136, 380270), (170, 304216), (176, 293845), (187, 276560), (220, 235076), (272, 190135), (340, 152108), (374, 138280), (440, 117538), (680, 76054), (748, 69140), (880, 58769), (935, 55312), (1360, 38027), (1496, 34570), (1870, 27656), (2992, 17285), (3457, 14960), (3740, 13828), (6914, 7480)]