858495560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19891}}^1$

素因数の和:19998

約数の個数: 64

約数和(自身を含む): 2105369280

約数和(自身を除く): 1246873720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2158, 3320, 4316, 5395, 8632, 10790, 19891, 21580, 39782, 43160, 79564, 99455, 159128, 198910, 258583, 397820, 517166, 795640, 1034332, 1292915, 1650953, 2068664, 2585830, 3301906, 5171660, 6603812, 8254765, 10343320, 13207624, 16509530, 21462389, 33019060, 42924778, 66038120, 85849556, 107311945, 171699112, 214623890, 429247780, 858495560]

約数ペア:

[(1, 858495560), (2, 429247780), (4, 214623890), (5, 171699112), (8, 107311945), (10, 85849556), (13, 66038120), (20, 42924778), (26, 33019060), (40, 21462389), (52, 16509530), (65, 13207624), (83, 10343320), (104, 8254765), (130, 6603812), (166, 5171660), (260, 3301906), (332, 2585830), (415, 2068664), (520, 1650953), (664, 1292915), (830, 1034332), (1079, 795640), (1660, 517166), (2158, 397820), (3320, 258583), (4316, 198910), (5395, 159128), (8632, 99455), (10790, 79564), (19891, 43160), (21580, 39782)]