51461240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 122204160

約数和(自身を除く): 70742920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 883, 940, 1240, 1457, 1766, 1880, 2914, 3532, 4415, 5828, 7064, 7285, 8830, 11656, 14570, 17660, 27373, 29140, 35320, 41501, 54746, 58280, 83002, 109492, 136865, 166004, 207505, 218984, 273730, 332008, 415010, 547460, 830020, 1094920, 1286531, 1660040, 2573062, 5146124, 6432655, 10292248, 12865310, 25730620, 51461240]

約数ペア:

[(1, 51461240), (2, 25730620), (4, 12865310), (5, 10292248), (8, 6432655), (10, 5146124), (20, 2573062), (31, 1660040), (40, 1286531), (47, 1094920), (62, 830020), (94, 547460), (124, 415010), (155, 332008), (188, 273730), (235, 218984), (248, 207505), (310, 166004), (376, 136865), (470, 109492), (620, 83002), (883, 58280), (940, 54746), (1240, 41501), (1457, 35320), (1766, 29140), (1880, 27373), (2914, 17660), (3532, 14570), (4415, 11656), (5828, 8830), (7064, 7285)]