133649680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53891}}^1$

素因数の和:53935

約数の個数: 40

約数和(自身を含む): 320765184

約数和(自身を除く): 187115504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 53891, 107782, 215564, 269455, 431128, 538910, 862256, 1077820, 1670621, 2155640, 3341242, 4311280, 6682484, 8353105, 13364968, 16706210, 26729936, 33412420, 66824840, 133649680]

約数ペア:

[(1, 133649680), (2, 66824840), (4, 33412420), (5, 26729936), (8, 16706210), (10, 13364968), (16, 8353105), (20, 6682484), (31, 4311280), (40, 3341242), (62, 2155640), (80, 1670621), (124, 1077820), (155, 862256), (248, 538910), (310, 431128), (496, 269455), (620, 215564), (1240, 107782), (2480, 53891)]