15755440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6353}}^1$

素因数の和:6397

約数の個数: 40

約数和(自身を含む): 37819008

約数和(自身を除く): 22063568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6353, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 196943, 254120, 393886, 508240, 787772, 984715, 1575544, 1969430, 3151088, 3938860, 7877720, 15755440]

約数ペア:

[(1, 15755440), (2, 7877720), (4, 3938860), (5, 3151088), (8, 1969430), (10, 1575544), (16, 984715), (20, 787772), (31, 508240), (40, 393886), (62, 254120), (80, 196943), (124, 127060), (155, 101648), (248, 63530), (310, 50824), (496, 31765), (620, 25412), (1240, 12706), (2480, 6353)]