1209520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 3031056

約数和(自身を除く): 1821536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1163, 2326, 4652, 5815, 9304, 11630, 15119, 18608, 23260, 30238, 46520, 60476, 75595, 93040, 120952, 151190, 241904, 302380, 604760, 1209520]

約数ペア:

[(1, 1209520), (2, 604760), (4, 302380), (5, 241904), (8, 151190), (10, 120952), (13, 93040), (16, 75595), (20, 60476), (26, 46520), (40, 30238), (52, 23260), (65, 18608), (80, 15119), (104, 11630), (130, 9304), (208, 5815), (260, 4652), (520, 2326), (1040, 1163)]