80325740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 189777168

約数和(自身を除く): 109451428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 83, 106, 110, 166, 212, 220, 265, 332, 415, 530, 583, 830, 913, 1060, 1166, 1660, 1826, 2332, 2915, 3652, 4399, 4565, 5830, 6889, 8798, 9130, 11660, 13778, 17596, 18260, 21995, 27556, 34445, 43990, 48389, 68890, 75779, 87980, 96778, 137780, 151558, 193556, 241945, 303116, 365117, 378895, 483890, 730234, 757790, 967780, 1460468, 1515580, 1825585, 3651170, 4016287, 7302340, 8032574, 16065148, 20081435, 40162870, 80325740]

約数ペア:

[(1, 80325740), (2, 40162870), (4, 20081435), (5, 16065148), (10, 8032574), (11, 7302340), (20, 4016287), (22, 3651170), (44, 1825585), (53, 1515580), (55, 1460468), (83, 967780), (106, 757790), (110, 730234), (166, 483890), (212, 378895), (220, 365117), (265, 303116), (332, 241945), (415, 193556), (530, 151558), (583, 137780), (830, 96778), (913, 87980), (1060, 75779), (1166, 68890), (1660, 48389), (1826, 43990), (2332, 34445), (2915, 27556), (3652, 21995), (4399, 18260), (4565, 17596), (5830, 13778), (6889, 11660), (8798, 9130)]