80881240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 212012640

約数和(自身を除く): 131131400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 968, 983, 1210, 1496, 1870, 1966, 2057, 2420, 3740, 3932, 4114, 4840, 4915, 7480, 7864, 8228, 9830, 10285, 10813, 16456, 16711, 19660, 20570, 21626, 33422, 39320, 41140, 43252, 54065, 66844, 82280, 83555, 86504, 108130, 118943, 133688, 167110, 183821, 216260, 237886, 334220, 367642, 432520, 475772, 594715, 668440, 735284, 919105, 951544, 1189430, 1470568, 1838210, 2022031, 2378860, 3676420, 4044062, 4757720, 7352840, 8088124, 10110155, 16176248, 20220310, 40440620, 80881240]

約数ペア:

[(1, 80881240), (2, 40440620), (4, 20220310), (5, 16176248), (8, 10110155), (10, 8088124), (11, 7352840), (17, 4757720), (20, 4044062), (22, 3676420), (34, 2378860), (40, 2022031), (44, 1838210), (55, 1470568), (68, 1189430), (85, 951544), (88, 919105), (110, 735284), (121, 668440), (136, 594715), (170, 475772), (187, 432520), (220, 367642), (242, 334220), (340, 237886), (374, 216260), (440, 183821), (484, 167110), (605, 133688), (680, 118943), (748, 108130), (935, 86504), (968, 83555), (983, 82280), (1210, 66844), (1496, 54065), (1870, 43252), (1966, 41140), (2057, 39320), (2420, 33422), (3740, 21626), (3932, 20570), (4114, 19660), (4840, 16711), (4915, 16456), (7480, 10813), (7864, 10285), (8228, 9830)]