66738040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 90026120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 503, 535, 620, 856, 1006, 1070, 1240, 2012, 2140, 2515, 3317, 4024, 4280, 5030, 6634, 10060, 13268, 15593, 16585, 20120, 26536, 31186, 33170, 53821, 62372, 66340, 77965, 107642, 124744, 132680, 155930, 215284, 269105, 311860, 430568, 538210, 623720, 1076420, 1668451, 2152840, 3336902, 6673804, 8342255, 13347608, 16684510, 33369020, 66738040]

約数ペア:

[(1, 66738040), (2, 33369020), (4, 16684510), (5, 13347608), (8, 8342255), (10, 6673804), (20, 3336902), (31, 2152840), (40, 1668451), (62, 1076420), (107, 623720), (124, 538210), (155, 430568), (214, 311860), (248, 269105), (310, 215284), (428, 155930), (503, 132680), (535, 124744), (620, 107642), (856, 77965), (1006, 66340), (1070, 62372), (1240, 53821), (2012, 33170), (2140, 31186), (2515, 26536), (3317, 20120), (4024, 16585), (4280, 15593), (5030, 13268), (6634, 10060)]