72745840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29333}}^1$

素因数の和:29377

約数の個数: 40

約数和(自身を含む): 174595968

約数和(自身を除く): 101850128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29333, 58666, 117332, 146665, 234664, 293330, 469328, 586660, 909323, 1173320, 1818646, 2346640, 3637292, 4546615, 7274584, 9093230, 14549168, 18186460, 36372920, 72745840]

約数ペア:

[(1, 72745840), (2, 36372920), (4, 18186460), (5, 14549168), (8, 9093230), (10, 7274584), (16, 4546615), (20, 3637292), (31, 2346640), (40, 1818646), (62, 1173320), (80, 909323), (124, 586660), (155, 469328), (248, 293330), (310, 234664), (496, 146665), (620, 117332), (1240, 58666), (2480, 29333)]