12215320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 29988000

約数和(自身を除く): 17772680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 169, 260, 278, 338, 520, 556, 676, 695, 845, 1112, 1352, 1390, 1690, 1807, 2197, 2780, 3380, 3614, 4394, 5560, 6760, 7228, 8788, 9035, 10985, 14456, 17576, 18070, 21970, 23491, 36140, 43940, 46982, 72280, 87880, 93964, 117455, 187928, 234910, 305383, 469820, 610766, 939640, 1221532, 1526915, 2443064, 3053830, 6107660, 12215320]

約数ペア:

[(1, 12215320), (2, 6107660), (4, 3053830), (5, 2443064), (8, 1526915), (10, 1221532), (13, 939640), (20, 610766), (26, 469820), (40, 305383), (52, 234910), (65, 187928), (104, 117455), (130, 93964), (139, 87880), (169, 72280), (260, 46982), (278, 43940), (338, 36140), (520, 23491), (556, 21970), (676, 18070), (695, 17576), (845, 14456), (1112, 10985), (1352, 9035), (1390, 8788), (1690, 7228), (1807, 6760), (2197, 5560), (2780, 4394), (3380, 3614)]