51598280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 120225600

約数和(自身を除く): 68627320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 229, 262, 344, 430, 458, 524, 655, 860, 916, 1048, 1145, 1310, 1720, 1832, 2290, 2620, 4580, 5240, 5633, 9160, 9847, 11266, 19694, 22532, 28165, 29999, 39388, 45064, 49235, 56330, 59998, 78776, 98470, 112660, 119996, 149995, 196940, 225320, 239992, 299990, 393880, 599980, 1199960, 1289957, 2579914, 5159828, 6449785, 10319656, 12899570, 25799140, 51598280]

約数ペア:

[(1, 51598280), (2, 25799140), (4, 12899570), (5, 10319656), (8, 6449785), (10, 5159828), (20, 2579914), (40, 1289957), (43, 1199960), (86, 599980), (131, 393880), (172, 299990), (215, 239992), (229, 225320), (262, 196940), (344, 149995), (430, 119996), (458, 112660), (524, 98470), (655, 78776), (860, 59998), (916, 56330), (1048, 49235), (1145, 45064), (1310, 39388), (1720, 29999), (1832, 28165), (2290, 22532), (2620, 19694), (4580, 11266), (5240, 9847), (5633, 9160)]