49878280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 117469440

約数和(自身を除く): 67591160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 617, 860, 940, 1234, 1720, 1880, 2021, 2468, 3085, 4042, 4936, 6170, 8084, 10105, 12340, 16168, 20210, 24680, 26531, 28999, 40420, 53062, 57998, 80840, 106124, 115996, 132655, 144995, 212248, 231992, 265310, 289990, 530620, 579980, 1061240, 1159960, 1246957, 2493914, 4987828, 6234785, 9975656, 12469570, 24939140, 49878280]

約数ペア:

[(1, 49878280), (2, 24939140), (4, 12469570), (5, 9975656), (8, 6234785), (10, 4987828), (20, 2493914), (40, 1246957), (43, 1159960), (47, 1061240), (86, 579980), (94, 530620), (172, 289990), (188, 265310), (215, 231992), (235, 212248), (344, 144995), (376, 132655), (430, 115996), (470, 106124), (617, 80840), (860, 57998), (940, 53062), (1234, 40420), (1720, 28999), (1880, 26531), (2021, 24680), (2468, 20210), (3085, 16168), (4042, 12340), (4936, 10105), (6170, 8084)]