28531780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 65511936

約数和(自身を除く): 36980156

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2707, 5270, 5414, 10540, 10828, 13535, 27070, 46019, 54140, 83917, 92038, 167834, 184076, 230095, 335668, 419585, 460190, 839170, 920380, 1426589, 1678340, 2853178, 5706356, 7132945, 14265890, 28531780]

約数ペア:

[(1, 28531780), (2, 14265890), (4, 7132945), (5, 5706356), (10, 2853178), (17, 1678340), (20, 1426589), (31, 920380), (34, 839170), (62, 460190), (68, 419585), (85, 335668), (124, 230095), (155, 184076), (170, 167834), (310, 92038), (340, 83917), (527, 54140), (620, 46019), (1054, 27070), (2108, 13535), (2635, 10828), (2707, 10540), (5270, 5414)]