131563360

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9239}}^1$

素因数の和:9343

約数の個数: 48

約数和(自身を含む): 314344800

約数和(自身を除く): 182781440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 9239, 14240, 18478, 36956, 46195, 73912, 92390, 147824, 184780, 295648, 369560, 739120, 822271, 1478240, 1644542, 3289084, 4111355, 6578168, 8222710, 13156336, 16445420, 26312672, 32890840, 65781680, 131563360]

約数ペア:

[(1, 131563360), (2, 65781680), (4, 32890840), (5, 26312672), (8, 16445420), (10, 13156336), (16, 8222710), (20, 6578168), (32, 4111355), (40, 3289084), (80, 1644542), (89, 1478240), (160, 822271), (178, 739120), (356, 369560), (445, 295648), (712, 184780), (890, 147824), (1424, 92390), (1780, 73912), (2848, 46195), (3560, 36956), (7120, 18478), (9239, 14240)]