31939880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3083}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 84378240

約数和(自身を除く): 52438360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 3083, 5180, 6166, 10360, 12332, 15415, 21581, 24664, 30830, 43162, 61660, 86324, 107905, 114071, 123320, 172648, 215810, 228142, 431620, 456284, 570355, 798497, 863240, 912568, 1140710, 1596994, 2281420, 3193988, 3992485, 4562840, 6387976, 7984970, 15969940, 31939880]

約数ペア:

[(1, 31939880), (2, 15969940), (4, 7984970), (5, 6387976), (7, 4562840), (8, 3992485), (10, 3193988), (14, 2281420), (20, 1596994), (28, 1140710), (35, 912568), (37, 863240), (40, 798497), (56, 570355), (70, 456284), (74, 431620), (140, 228142), (148, 215810), (185, 172648), (259, 123320), (280, 114071), (296, 107905), (370, 86324), (518, 61660), (740, 43162), (1036, 30830), (1295, 24664), (1480, 21581), (2072, 15415), (2590, 12332), (3083, 10360), (5180, 6166)]