12691120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12203}}^1$

素因数の和:12229

約数の個数: 40

約数和(自身を含む): 31779216

約数和(自身を除く): 19088096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12203, 24406, 48812, 61015, 97624, 122030, 158639, 195248, 244060, 317278, 488120, 634556, 793195, 976240, 1269112, 1586390, 2538224, 3172780, 6345560, 12691120]

約数ペア:

[(1, 12691120), (2, 6345560), (4, 3172780), (5, 2538224), (8, 1586390), (10, 1269112), (13, 976240), (16, 793195), (20, 634556), (26, 488120), (40, 317278), (52, 244060), (65, 195248), (80, 158639), (104, 122030), (130, 97624), (208, 61015), (260, 48812), (520, 24406), (1040, 12203)]