26415280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19423}}^1$

素因数の和:19453

約数の個数: 40

約数和(自身を含む): 65031552

約数和(自身を除く): 38616272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19423, 38846, 77692, 97115, 155384, 194230, 310768, 330191, 388460, 660382, 776920, 1320764, 1553840, 1650955, 2641528, 3301910, 5283056, 6603820, 13207640, 26415280]

約数ペア:

[(1, 26415280), (2, 13207640), (4, 6603820), (5, 5283056), (8, 3301910), (10, 2641528), (16, 1650955), (17, 1553840), (20, 1320764), (34, 776920), (40, 660382), (68, 388460), (80, 330191), (85, 310768), (136, 194230), (170, 155384), (272, 97115), (340, 77692), (680, 38846), (1360, 19423)]