25576720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24593}}^1$

素因数の和:24619

約数の個数: 40

約数和(自身を含む): 64042776

約数和(自身を除く): 38466056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24593, 49186, 98372, 122965, 196744, 245930, 319709, 393488, 491860, 639418, 983720, 1278836, 1598545, 1967440, 2557672, 3197090, 5115344, 6394180, 12788360, 25576720]

約数ペア:

[(1, 25576720), (2, 12788360), (4, 6394180), (5, 5115344), (8, 3197090), (10, 2557672), (13, 1967440), (16, 1598545), (20, 1278836), (26, 983720), (40, 639418), (52, 491860), (65, 393488), (80, 319709), (104, 245930), (130, 196744), (208, 122965), (260, 98372), (520, 49186), (1040, 24593)]