31289840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13487}}^1$

素因数の和:13529

約数の個数: 40

約数和(自身を含む): 75263040

約数和(自身を除く): 43973200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13487, 26974, 53948, 67435, 107896, 134870, 215792, 269740, 391123, 539480, 782246, 1078960, 1564492, 1955615, 3128984, 3911230, 6257968, 7822460, 15644920, 31289840]

約数ペア:

[(1, 31289840), (2, 15644920), (4, 7822460), (5, 6257968), (8, 3911230), (10, 3128984), (16, 1955615), (20, 1564492), (29, 1078960), (40, 782246), (58, 539480), (80, 391123), (116, 269740), (145, 215792), (232, 134870), (290, 107896), (464, 67435), (580, 53948), (1160, 26974), (2320, 13487)]