51617020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 135475200

約数和(自身を除く): 83858180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 316, 359, 364, 395, 455, 553, 718, 790, 910, 1027, 1106, 1436, 1580, 1795, 1820, 2054, 2212, 2513, 2765, 3590, 4108, 4667, 5026, 5135, 5530, 7180, 7189, 9334, 10052, 10270, 11060, 12565, 14378, 18668, 20540, 23335, 25130, 28361, 28756, 32669, 35945, 46670, 50260, 56722, 65338, 71890, 93340, 113444, 130676, 141805, 143780, 163345, 198527, 283610, 326690, 368693, 397054, 567220, 653380, 737386, 794108, 992635, 1474772, 1843465, 1985270, 2580851, 3686930, 3970540, 5161702, 7373860, 10323404, 12904255, 25808510, 51617020]

約数ペア:

[(1, 51617020), (2, 25808510), (4, 12904255), (5, 10323404), (7, 7373860), (10, 5161702), (13, 3970540), (14, 3686930), (20, 2580851), (26, 1985270), (28, 1843465), (35, 1474772), (52, 992635), (65, 794108), (70, 737386), (79, 653380), (91, 567220), (130, 397054), (140, 368693), (158, 326690), (182, 283610), (260, 198527), (316, 163345), (359, 143780), (364, 141805), (395, 130676), (455, 113444), (553, 93340), (718, 71890), (790, 65338), (910, 56722), (1027, 50260), (1106, 46670), (1436, 35945), (1580, 32669), (1795, 28756), (1820, 28361), (2054, 25130), (2212, 23335), (2513, 20540), (2765, 18668), (3590, 14378), (4108, 12565), (4667, 11060), (5026, 10270), (5135, 10052), (5530, 9334), (7180, 7189)]