85814980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{659}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 191600640

約数和(自身を除く): 105785660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 659, 766, 1318, 1532, 1915, 2636, 3295, 3830, 6511, 6590, 7660, 11203, 13022, 13180, 22406, 26044, 32555, 44812, 56015, 65110, 112030, 130220, 224060, 252397, 504794, 1009588, 1261985, 2523970, 4290749, 5047940, 8581498, 17162996, 21453745, 42907490, 85814980]

約数ペア:

[(1, 85814980), (2, 42907490), (4, 21453745), (5, 17162996), (10, 8581498), (17, 5047940), (20, 4290749), (34, 2523970), (68, 1261985), (85, 1009588), (170, 504794), (340, 252397), (383, 224060), (659, 130220), (766, 112030), (1318, 65110), (1532, 56015), (1915, 44812), (2636, 32555), (3295, 26044), (3830, 22406), (6511, 13180), (6590, 13022), (7660, 11203)]