68945320

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4621}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 155576520

約数和(自身を除く): 86631200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 4621, 7460, 9242, 14920, 18484, 23105, 36968, 46210, 92420, 184840, 1723633, 3447266, 6894532, 8618165, 13789064, 17236330, 34472660, 68945320]

約数ペア:

[(1, 68945320), (2, 34472660), (4, 17236330), (5, 13789064), (8, 8618165), (10, 6894532), (20, 3447266), (40, 1723633), (373, 184840), (746, 92420), (1492, 46210), (1865, 36968), (2984, 23105), (3730, 18484), (4621, 14920), (7460, 9242)]