31394320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12659}}^1$

素因数の和:12703

約数の個数: 40

約数和(自身を含む): 75352320

約数和(自身を除く): 43958000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12659, 25318, 50636, 63295, 101272, 126590, 202544, 253180, 392429, 506360, 784858, 1012720, 1569716, 1962145, 3139432, 3924290, 6278864, 7848580, 15697160, 31394320]

約数ペア:

[(1, 31394320), (2, 15697160), (4, 7848580), (5, 6278864), (8, 3924290), (10, 3139432), (16, 1962145), (20, 1569716), (31, 1012720), (40, 784858), (62, 506360), (80, 392429), (124, 253180), (155, 202544), (248, 126590), (310, 101272), (496, 63295), (620, 50636), (1240, 25318), (2480, 12659)]