51120020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 132959232

約数和(自身を除く): 81839212

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 170, 188, 235, 238, 329, 340, 457, 470, 476, 595, 658, 799, 914, 940, 1190, 1316, 1598, 1645, 1828, 2285, 2380, 3196, 3199, 3290, 3995, 4570, 5593, 6398, 6580, 7769, 7990, 9140, 11186, 12796, 15538, 15980, 15995, 21479, 22372, 27965, 31076, 31990, 38845, 42958, 54383, 55930, 63980, 77690, 85916, 107395, 108766, 111860, 150353, 155380, 214790, 217532, 271915, 300706, 365143, 429580, 543830, 601412, 730286, 751765, 1087660, 1460572, 1503530, 1825715, 2556001, 3007060, 3651430, 5112002, 7302860, 10224004, 12780005, 25560010, 51120020]

約数ペア:

[(1, 51120020), (2, 25560010), (4, 12780005), (5, 10224004), (7, 7302860), (10, 5112002), (14, 3651430), (17, 3007060), (20, 2556001), (28, 1825715), (34, 1503530), (35, 1460572), (47, 1087660), (68, 751765), (70, 730286), (85, 601412), (94, 543830), (119, 429580), (140, 365143), (170, 300706), (188, 271915), (235, 217532), (238, 214790), (329, 155380), (340, 150353), (457, 111860), (470, 108766), (476, 107395), (595, 85916), (658, 77690), (799, 63980), (914, 55930), (940, 54383), (1190, 42958), (1316, 38845), (1598, 31990), (1645, 31076), (1828, 27965), (2285, 22372), (2380, 21479), (3196, 15995), (3199, 15980), (3290, 15538), (3995, 12796), (4570, 11186), (5593, 9140), (6398, 7990), (6580, 7769)]