38188640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{4871}}^1$

素因数の和:4900

約数の個数: 72

約数和(自身を含む): 104972112

約数和(自身を除く): 66783472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 4871, 7840, 9742, 19484, 24355, 34097, 38968, 48710, 68194, 77936, 97420, 136388, 155872, 170485, 194840, 238679, 272776, 340970, 389680, 477358, 545552, 681940, 779360, 954716, 1091104, 1193395, 1363880, 1909432, 2386790, 2727760, 3818864, 4773580, 5455520, 7637728, 9547160, 19094320, 38188640]

約数ペア:

[(1, 38188640), (2, 19094320), (4, 9547160), (5, 7637728), (7, 5455520), (8, 4773580), (10, 3818864), (14, 2727760), (16, 2386790), (20, 1909432), (28, 1363880), (32, 1193395), (35, 1091104), (40, 954716), (49, 779360), (56, 681940), (70, 545552), (80, 477358), (98, 389680), (112, 340970), (140, 272776), (160, 238679), (196, 194840), (224, 170485), (245, 155872), (280, 136388), (392, 97420), (490, 77936), (560, 68194), (784, 48710), (980, 38968), (1120, 34097), (1568, 24355), (1960, 19484), (3920, 9742), (4871, 7840)]