63491240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26021}}^1$

素因数の和:26093

約数の個数: 32

約数和(自身を含む): 145202760

約数和(自身を除く): 81711520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26021, 52042, 104084, 130105, 208168, 260210, 520420, 1040840, 1587281, 3174562, 6349124, 7936405, 12698248, 15872810, 31745620, 63491240]

約数ペア:

[(1, 63491240), (2, 31745620), (4, 15872810), (5, 12698248), (8, 7936405), (10, 6349124), (20, 3174562), (40, 1587281), (61, 1040840), (122, 520420), (244, 260210), (305, 208168), (488, 130105), (610, 104084), (1220, 52042), (2440, 26021)]