220233520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 553839552

約数和(自身を除く): 333606032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 421, 503, 520, 842, 1006, 1040, 1684, 2012, 2105, 2515, 3368, 4024, 4210, 5030, 5473, 6539, 6736, 8048, 8420, 10060, 10946, 13078, 16840, 20120, 21892, 26156, 27365, 32695, 33680, 40240, 43784, 52312, 54730, 65390, 87568, 104624, 109460, 130780, 211763, 218920, 261560, 423526, 437840, 523120, 847052, 1058815, 1694104, 2117630, 2752919, 3388208, 4235260, 5505838, 8470520, 11011676, 13764595, 16941040, 22023352, 27529190, 44046704, 55058380, 110116760, 220233520]

約数ペア:

[(1, 220233520), (2, 110116760), (4, 55058380), (5, 44046704), (8, 27529190), (10, 22023352), (13, 16941040), (16, 13764595), (20, 11011676), (26, 8470520), (40, 5505838), (52, 4235260), (65, 3388208), (80, 2752919), (104, 2117630), (130, 1694104), (208, 1058815), (260, 847052), (421, 523120), (503, 437840), (520, 423526), (842, 261560), (1006, 218920), (1040, 211763), (1684, 130780), (2012, 109460), (2105, 104624), (2515, 87568), (3368, 65390), (4024, 54730), (4210, 52312), (5030, 43784), (5473, 40240), (6539, 33680), (6736, 32695), (8048, 27365), (8420, 26156), (10060, 21892), (10946, 20120), (13078, 16840)]