1913320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 4446720

約数和(自身を除く): 2533400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1543, 3086, 6172, 7715, 12344, 15430, 30860, 47833, 61720, 95666, 191332, 239165, 382664, 478330, 956660, 1913320]

約数ペア:

[(1, 1913320), (2, 956660), (4, 478330), (5, 382664), (8, 239165), (10, 191332), (20, 95666), (31, 61720), (40, 47833), (62, 30860), (124, 15430), (155, 12344), (248, 7715), (310, 6172), (620, 3086), (1240, 1543)]