521105080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{18691}}^1$

素因数の和:18760

約数の個数: 64

約数和(自身を含む): 1271803680

約数和(自身を除く): 750698600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 18691, 27880, 37382, 74764, 93455, 149528, 186910, 317747, 373820, 635494, 747640, 766331, 1270988, 1532662, 1588735, 2541976, 3065324, 3177470, 3831655, 6130648, 6354940, 7663310, 12709880, 13027627, 15326620, 26055254, 30653240, 52110508, 65138135, 104221016, 130276270, 260552540, 521105080]

約数ペア:

[(1, 521105080), (2, 260552540), (4, 130276270), (5, 104221016), (8, 65138135), (10, 52110508), (17, 30653240), (20, 26055254), (34, 15326620), (40, 13027627), (41, 12709880), (68, 7663310), (82, 6354940), (85, 6130648), (136, 3831655), (164, 3177470), (170, 3065324), (205, 2541976), (328, 1588735), (340, 1532662), (410, 1270988), (680, 766331), (697, 747640), (820, 635494), (1394, 373820), (1640, 317747), (2788, 186910), (3485, 149528), (5576, 93455), (6970, 74764), (13940, 37382), (18691, 27880)]