13638760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 19953560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 647, 680, 1054, 1240, 1294, 2108, 2588, 2635, 3235, 4216, 5176, 5270, 6470, 10540, 10999, 12940, 20057, 21080, 21998, 25880, 40114, 43996, 54995, 80228, 87992, 100285, 109990, 160456, 200570, 219980, 340969, 401140, 439960, 681938, 802280, 1363876, 1704845, 2727752, 3409690, 6819380, 13638760]

約数ペア:

[(1, 13638760), (2, 6819380), (4, 3409690), (5, 2727752), (8, 1704845), (10, 1363876), (17, 802280), (20, 681938), (31, 439960), (34, 401140), (40, 340969), (62, 219980), (68, 200570), (85, 160456), (124, 109990), (136, 100285), (155, 87992), (170, 80228), (248, 54995), (310, 43996), (340, 40114), (527, 25880), (620, 21998), (647, 21080), (680, 20057), (1054, 12940), (1240, 10999), (1294, 10540), (2108, 6470), (2588, 5270), (2635, 5176), (3235, 4216)]