40974440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78797}}^1$

素因数の和:78821

約数の個数: 32

約数和(自身を含む): 99285480

約数和(自身を除く): 58311040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78797, 157594, 315188, 393985, 630376, 787970, 1024361, 1575940, 2048722, 3151880, 4097444, 5121805, 8194888, 10243610, 20487220, 40974440]

約数ペア:

[(1, 40974440), (2, 20487220), (4, 10243610), (5, 8194888), (8, 5121805), (10, 4097444), (13, 3151880), (20, 2048722), (26, 1575940), (40, 1024361), (52, 787970), (65, 630376), (104, 393985), (130, 315188), (260, 157594), (520, 78797)]