40965440

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:739

約数の個数: 56

約数和(自身を含む): 98099880

約数和(自身を除く): 57134440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 409, 626, 818, 1252, 1565, 1636, 2045, 2504, 3130, 3272, 4090, 5008, 6260, 6544, 8180, 10016, 12520, 13088, 16360, 20032, 25040, 26176, 32720, 50080, 65440, 100160, 128017, 130880, 256034, 512068, 640085, 1024136, 1280170, 2048272, 2560340, 4096544, 5120680, 8193088, 10241360, 20482720, 40965440]

約数ペア:

[(1, 40965440), (2, 20482720), (4, 10241360), (5, 8193088), (8, 5120680), (10, 4096544), (16, 2560340), (20, 2048272), (32, 1280170), (40, 1024136), (64, 640085), (80, 512068), (160, 256034), (313, 130880), (320, 128017), (409, 100160), (626, 65440), (818, 50080), (1252, 32720), (1565, 26176), (1636, 25040), (2045, 20032), (2504, 16360), (3130, 13088), (3272, 12520), (4090, 10016), (5008, 8180), (6260, 6544)]