2040393340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{7817}}^1$

素因数の和:8278

約数の個数: 48

約数和(自身を含む): 4434119424

約数和(自身を除く): 2393726084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 421, 620, 842, 1684, 2105, 4210, 7817, 8420, 13051, 15634, 26102, 31268, 39085, 52204, 65255, 78170, 130510, 156340, 242327, 261020, 484654, 969308, 1211635, 2423270, 3290957, 4846540, 6581914, 13163828, 16454785, 32909570, 65819140, 102019667, 204039334, 408078668, 510098335, 1020196670, 2040393340]

約数ペア:

[(1, 2040393340), (2, 1020196670), (4, 510098335), (5, 408078668), (10, 204039334), (20, 102019667), (31, 65819140), (62, 32909570), (124, 16454785), (155, 13163828), (310, 6581914), (421, 4846540), (620, 3290957), (842, 2423270), (1684, 1211635), (2105, 969308), (4210, 484654), (7817, 261020), (8420, 242327), (13051, 156340), (15634, 130510), (26102, 78170), (31268, 65255), (39085, 52204)]