2561315248

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{4127}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 5036820480

約数和(自身を除く): 2475505232

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 491, 632, 982, 1264, 1964, 3928, 4127, 7856, 8254, 16508, 33016, 38789, 66032, 77578, 155156, 310312, 326033, 620624, 652066, 1304132, 2026357, 2608264, 4052714, 5216528, 8105428, 16210856, 32421712, 160082203, 320164406, 640328812, 1280657624, 2561315248]

約数ペア:

[(1, 2561315248), (2, 1280657624), (4, 640328812), (8, 320164406), (16, 160082203), (79, 32421712), (158, 16210856), (316, 8105428), (491, 5216528), (632, 4052714), (982, 2608264), (1264, 2026357), (1964, 1304132), (3928, 652066), (4127, 620624), (7856, 326033), (8254, 310312), (16508, 155156), (33016, 77578), (38789, 66032)]