51859340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 120209040

約数和(自身を除く): 68349700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 169, 229, 260, 268, 335, 338, 458, 670, 676, 845, 871, 916, 1145, 1340, 1690, 1742, 2290, 2977, 3380, 3484, 4355, 4580, 5954, 8710, 11323, 11908, 14885, 15343, 17420, 22646, 29770, 30686, 38701, 45292, 56615, 59540, 61372, 76715, 77402, 113230, 153430, 154804, 193505, 199459, 226460, 306860, 387010, 398918, 774020, 797836, 997295, 1994590, 2592967, 3989180, 5185934, 10371868, 12964835, 25929670, 51859340]

約数ペア:

[(1, 51859340), (2, 25929670), (4, 12964835), (5, 10371868), (10, 5185934), (13, 3989180), (20, 2592967), (26, 1994590), (52, 997295), (65, 797836), (67, 774020), (130, 398918), (134, 387010), (169, 306860), (229, 226460), (260, 199459), (268, 193505), (335, 154804), (338, 153430), (458, 113230), (670, 77402), (676, 76715), (845, 61372), (871, 59540), (916, 56615), (1145, 45292), (1340, 38701), (1690, 30686), (1742, 29770), (2290, 22646), (2977, 17420), (3380, 15343), (3484, 14885), (4355, 11908), (4580, 11323), (5954, 8710)]