996968364880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157748159}}^1$

素因数の和:157748251

約数の個数: 40

約数和(自身を含む): 2347292620800

約数和(自身を除く): 1350324255920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 157748159, 315496318, 630992636, 788740795, 1261985272, 1577481590, 2523970544, 3154963180, 6309926360, 12462104561, 12619852720, 24924209122, 49848418244, 62310522805, 99696836488, 124621045610, 199393672976, 249242091220, 498484182440, 996968364880]

約数ペア:

[(1, 996968364880), (2, 498484182440), (4, 249242091220), (5, 199393672976), (8, 124621045610), (10, 99696836488), (16, 62310522805), (20, 49848418244), (40, 24924209122), (79, 12619852720), (80, 12462104561), (158, 6309926360), (316, 3154963180), (395, 2523970544), (632, 1577481590), (790, 1261985272), (1264, 788740795), (1580, 630992636), (3160, 315496318), (6320, 157748159)]