53401840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 130634496

約数和(自身を除く): 77232656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 353, 488, 496, 610, 620, 706, 976, 1220, 1240, 1412, 1765, 1891, 2440, 2480, 2824, 3530, 3782, 4880, 5648, 7060, 7564, 9455, 10943, 14120, 15128, 18910, 21533, 21886, 28240, 30256, 37820, 43066, 43772, 54715, 75640, 86132, 87544, 107665, 109430, 151280, 172264, 175088, 215330, 218860, 344528, 430660, 437720, 667523, 861320, 875440, 1335046, 1722640, 2670092, 3337615, 5340184, 6675230, 10680368, 13350460, 26700920, 53401840]

約数ペア:

[(1, 53401840), (2, 26700920), (4, 13350460), (5, 10680368), (8, 6675230), (10, 5340184), (16, 3337615), (20, 2670092), (31, 1722640), (40, 1335046), (61, 875440), (62, 861320), (80, 667523), (122, 437720), (124, 430660), (155, 344528), (244, 218860), (248, 215330), (305, 175088), (310, 172264), (353, 151280), (488, 109430), (496, 107665), (610, 87544), (620, 86132), (706, 75640), (976, 54715), (1220, 43772), (1240, 43066), (1412, 37820), (1765, 30256), (1891, 28240), (2440, 21886), (2480, 21533), (2824, 18910), (3530, 15128), (3782, 14120), (4880, 10943), (5648, 9455), (7060, 7564)]