8316680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 20390400

約数和(自身を除く): 12073720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 353, 380, 589, 620, 706, 760, 1178, 1240, 1412, 1765, 2356, 2824, 2945, 3530, 4712, 5890, 6707, 7060, 10943, 11780, 13414, 14120, 21886, 23560, 26828, 33535, 43772, 53656, 54715, 67070, 87544, 109430, 134140, 207917, 218860, 268280, 415834, 437720, 831668, 1039585, 1663336, 2079170, 4158340, 8316680]

約数ペア:

[(1, 8316680), (2, 4158340), (4, 2079170), (5, 1663336), (8, 1039585), (10, 831668), (19, 437720), (20, 415834), (31, 268280), (38, 218860), (40, 207917), (62, 134140), (76, 109430), (95, 87544), (124, 67070), (152, 54715), (155, 53656), (190, 43772), (248, 33535), (310, 26828), (353, 23560), (380, 21886), (589, 14120), (620, 13414), (706, 11780), (760, 10943), (1178, 7060), (1240, 6707), (1412, 5890), (1765, 4712), (2356, 3530), (2824, 2945)]