25420720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24443}}^1$

素因数の和:24469

約数の個数: 40

約数和(自身を含む): 63652176

約数和(自身を除く): 38231456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24443, 48886, 97772, 122215, 195544, 244430, 317759, 391088, 488860, 635518, 977720, 1271036, 1588795, 1955440, 2542072, 3177590, 5084144, 6355180, 12710360, 25420720]

約数ペア:

[(1, 25420720), (2, 12710360), (4, 6355180), (5, 5084144), (8, 3177590), (10, 2542072), (13, 1955440), (16, 1588795), (20, 1271036), (26, 977720), (40, 635518), (52, 488860), (65, 391088), (80, 317759), (104, 244430), (130, 195544), (208, 122215), (260, 97772), (520, 48886), (1040, 24443)]