25259460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{79}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 72616320

約数和(自身を除く): 47356860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 79, 146, 158, 219, 237, 292, 316, 365, 395, 438, 474, 730, 790, 876, 948, 1095, 1185, 1460, 1580, 2190, 2370, 4380, 4740, 5329, 5767, 10658, 11534, 15987, 17301, 21316, 23068, 26645, 28835, 31974, 34602, 53290, 57670, 63948, 69204, 79935, 86505, 106580, 115340, 159870, 173010, 319740, 346020, 420991, 841982, 1262973, 1683964, 2104955, 2525946, 4209910, 5051892, 6314865, 8419820, 12629730, 25259460]

約数ペア:

[(1, 25259460), (2, 12629730), (3, 8419820), (4, 6314865), (5, 5051892), (6, 4209910), (10, 2525946), (12, 2104955), (15, 1683964), (20, 1262973), (30, 841982), (60, 420991), (73, 346020), (79, 319740), (146, 173010), (158, 159870), (219, 115340), (237, 106580), (292, 86505), (316, 79935), (365, 69204), (395, 63948), (438, 57670), (474, 53290), (730, 34602), (790, 31974), (876, 28835), (948, 26645), (1095, 23068), (1185, 21316), (1460, 17301), (1580, 15987), (2190, 11534), (2370, 10658), (4380, 5767), (4740, 5329)]