8680880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 23061024

約数和(自身を除く): 14380144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 491, 520, 680, 884, 982, 1040, 1105, 1360, 1768, 1964, 2210, 2455, 3536, 3928, 4420, 4910, 6383, 7856, 8347, 8840, 9820, 12766, 16694, 17680, 19640, 25532, 31915, 33388, 39280, 41735, 51064, 63830, 66776, 83470, 102128, 108511, 127660, 133552, 166940, 217022, 255320, 333880, 434044, 510640, 542555, 667760, 868088, 1085110, 1736176, 2170220, 4340440, 8680880]

約数ペア:

[(1, 8680880), (2, 4340440), (4, 2170220), (5, 1736176), (8, 1085110), (10, 868088), (13, 667760), (16, 542555), (17, 510640), (20, 434044), (26, 333880), (34, 255320), (40, 217022), (52, 166940), (65, 133552), (68, 127660), (80, 108511), (85, 102128), (104, 83470), (130, 66776), (136, 63830), (170, 51064), (208, 41735), (221, 39280), (260, 33388), (272, 31915), (340, 25532), (442, 19640), (491, 17680), (520, 16694), (680, 12766), (884, 9820), (982, 8840), (1040, 8347), (1105, 7856), (1360, 6383), (1768, 4910), (1964, 4420), (2210, 3928), (2455, 3536)]