9741940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 22332240

約数和(自身を除く): 12590300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 421, 445, 842, 890, 1157, 1684, 1780, 2105, 2314, 4210, 4628, 5473, 5785, 8420, 10946, 11570, 21892, 23140, 27365, 37469, 54730, 74938, 109460, 149876, 187345, 374690, 487097, 749380, 974194, 1948388, 2435485, 4870970, 9741940]

約数ペア:

[(1, 9741940), (2, 4870970), (4, 2435485), (5, 1948388), (10, 974194), (13, 749380), (20, 487097), (26, 374690), (52, 187345), (65, 149876), (89, 109460), (130, 74938), (178, 54730), (260, 37469), (356, 27365), (421, 23140), (445, 21892), (842, 11570), (890, 10946), (1157, 8420), (1684, 5785), (1780, 5473), (2105, 4628), (2314, 4210)]