28501720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 70308000

約数和(自身を除く): 41806280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 929, 1180, 1534, 1858, 2360, 3068, 3716, 3835, 4645, 6136, 7432, 7670, 9290, 12077, 15340, 18580, 24154, 30680, 37160, 48308, 54811, 60385, 96616, 109622, 120770, 219244, 241540, 274055, 438488, 483080, 548110, 712543, 1096220, 1425086, 2192440, 2850172, 3562715, 5700344, 7125430, 14250860, 28501720]

約数ペア:

[(1, 28501720), (2, 14250860), (4, 7125430), (5, 5700344), (8, 3562715), (10, 2850172), (13, 2192440), (20, 1425086), (26, 1096220), (40, 712543), (52, 548110), (59, 483080), (65, 438488), (104, 274055), (118, 241540), (130, 219244), (236, 120770), (260, 109622), (295, 96616), (472, 60385), (520, 54811), (590, 48308), (767, 37160), (929, 30680), (1180, 24154), (1534, 18580), (1858, 15340), (2360, 12077), (3068, 9290), (3716, 7670), (3835, 7432), (4645, 6136)]