8419580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 19922112

約数和(自身を除く): 11502532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 53, 65, 94, 106, 130, 169, 188, 212, 235, 260, 265, 338, 470, 530, 611, 676, 689, 845, 940, 1060, 1222, 1378, 1690, 2444, 2491, 2756, 3055, 3380, 3445, 4982, 6110, 6890, 7943, 8957, 9964, 12220, 12455, 13780, 15886, 17914, 24910, 31772, 32383, 35828, 39715, 44785, 49820, 64766, 79430, 89570, 129532, 158860, 161915, 179140, 323830, 420979, 647660, 841958, 1683916, 2104895, 4209790, 8419580]

約数ペア:

[(1, 8419580), (2, 4209790), (4, 2104895), (5, 1683916), (10, 841958), (13, 647660), (20, 420979), (26, 323830), (47, 179140), (52, 161915), (53, 158860), (65, 129532), (94, 89570), (106, 79430), (130, 64766), (169, 49820), (188, 44785), (212, 39715), (235, 35828), (260, 32383), (265, 31772), (338, 24910), (470, 17914), (530, 15886), (611, 13780), (676, 12455), (689, 12220), (845, 9964), (940, 8957), (1060, 7943), (1222, 6890), (1378, 6110), (1690, 4982), (2444, 3445), (2491, 3380), (2756, 3055)]