61582120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49663}}^1$

素因数の和:49705

約数の個数: 32

約数和(自身を含む): 143032320

約数和(自身を除く): 81450200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49663, 99326, 198652, 248315, 397304, 496630, 993260, 1539553, 1986520, 3079106, 6158212, 7697765, 12316424, 15395530, 30791060, 61582120]

約数ペア:

[(1, 61582120), (2, 30791060), (4, 15395530), (5, 12316424), (8, 7697765), (10, 6158212), (20, 3079106), (31, 1986520), (40, 1539553), (62, 993260), (124, 496630), (155, 397304), (248, 248315), (310, 198652), (620, 99326), (1240, 49663)]