120220880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115597}}^1$

素因数の和:115623

約数の個数: 40

約数和(自身を含む): 301017192

約数和(自身を除く): 180796312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 115597, 231194, 462388, 577985, 924776, 1155970, 1502761, 1849552, 2311940, 3005522, 4623880, 6011044, 7513805, 9247760, 12022088, 15027610, 24044176, 30055220, 60110440, 120220880]

約数ペア:

[(1, 120220880), (2, 60110440), (4, 30055220), (5, 24044176), (8, 15027610), (10, 12022088), (13, 9247760), (16, 7513805), (20, 6011044), (26, 4623880), (40, 3005522), (52, 2311940), (65, 1849552), (80, 1502761), (104, 1155970), (130, 924776), (208, 577985), (260, 462388), (520, 231194), (1040, 115597)]