13909840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 37676160

約数和(自身を除く): 23766320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 421, 472, 560, 590, 826, 842, 944, 1180, 1652, 1684, 2065, 2105, 2360, 2947, 3304, 3368, 4130, 4210, 4720, 5894, 6608, 6736, 8260, 8420, 11788, 14735, 16520, 16840, 23576, 24839, 29470, 33040, 33680, 47152, 49678, 58940, 99356, 117880, 124195, 173873, 198712, 235760, 248390, 347746, 397424, 496780, 695492, 869365, 993560, 1390984, 1738730, 1987120, 2781968, 3477460, 6954920, 13909840]

約数ペア:

[(1, 13909840), (2, 6954920), (4, 3477460), (5, 2781968), (7, 1987120), (8, 1738730), (10, 1390984), (14, 993560), (16, 869365), (20, 695492), (28, 496780), (35, 397424), (40, 347746), (56, 248390), (59, 235760), (70, 198712), (80, 173873), (112, 124195), (118, 117880), (140, 99356), (236, 58940), (280, 49678), (295, 47152), (413, 33680), (421, 33040), (472, 29470), (560, 24839), (590, 23576), (826, 16840), (842, 16520), (944, 14735), (1180, 11788), (1652, 8420), (1684, 8260), (2065, 6736), (2105, 6608), (2360, 5894), (2947, 4720), (3304, 4210), (3368, 4130)]