80595980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 181058976

約数和(自身を除く): 100462996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 2347, 3434, 4694, 6868, 8585, 9388, 11735, 17170, 23470, 34340, 39899, 46940, 79798, 159596, 199495, 237047, 398990, 474094, 797980, 948188, 1185235, 2370470, 4029799, 4740940, 8059598, 16119196, 20148995, 40297990, 80595980]

約数ペア:

[(1, 80595980), (2, 40297990), (4, 20148995), (5, 16119196), (10, 8059598), (17, 4740940), (20, 4029799), (34, 2370470), (68, 1185235), (85, 948188), (101, 797980), (170, 474094), (202, 398990), (340, 237047), (404, 199495), (505, 159596), (1010, 79798), (1717, 46940), (2020, 39899), (2347, 34340), (3434, 23470), (4694, 17170), (6868, 11735), (8585, 9388)]