156764840

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{6521}}^1$

素因数の和:7133

約数の個数: 32

約数和(自身を含む): 353361960

約数和(自身を除く): 196597120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 4808, 6010, 6521, 12020, 13042, 24040, 26084, 32605, 52168, 65210, 130420, 260840, 3919121, 7838242, 15676484, 19595605, 31352968, 39191210, 78382420, 156764840]

約数ペア:

[(1, 156764840), (2, 78382420), (4, 39191210), (5, 31352968), (8, 19595605), (10, 15676484), (20, 7838242), (40, 3919121), (601, 260840), (1202, 130420), (2404, 65210), (3005, 52168), (4808, 32605), (6010, 26084), (6521, 24040), (12020, 13042)]