1644118480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{662951}}^1$

素因数の和:662995

約数の個数: 40

約数和(自身を含む): 3945890304

約数和(自身を除く): 2301771824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 662951, 1325902, 2651804, 3314755, 5303608, 6629510, 10607216, 13259020, 20551481, 26518040, 41102962, 53036080, 82205924, 102757405, 164411848, 205514810, 328823696, 411029620, 822059240, 1644118480]

約数ペア:

[(1, 1644118480), (2, 822059240), (4, 411029620), (5, 328823696), (8, 205514810), (10, 164411848), (16, 102757405), (20, 82205924), (31, 53036080), (40, 41102962), (62, 26518040), (80, 20551481), (124, 13259020), (155, 10607216), (248, 6629510), (310, 5303608), (496, 3314755), (620, 2651804), (1240, 1325902), (2480, 662951)]