9920040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6359}}^1$

素因数の和:6386

約数の個数: 64

約数和(自身を含む): 32054400

約数和(自身を除く): 22134360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 6359, 12718, 19077, 25436, 31795, 38154, 50872, 63590, 76308, 82667, 95385, 127180, 152616, 165334, 190770, 248001, 254360, 330668, 381540, 413335, 496002, 661336, 763080, 826670, 992004, 1240005, 1653340, 1984008, 2480010, 3306680, 4960020, 9920040]

約数ペア:

[(1, 9920040), (2, 4960020), (3, 3306680), (4, 2480010), (5, 1984008), (6, 1653340), (8, 1240005), (10, 992004), (12, 826670), (13, 763080), (15, 661336), (20, 496002), (24, 413335), (26, 381540), (30, 330668), (39, 254360), (40, 248001), (52, 190770), (60, 165334), (65, 152616), (78, 127180), (104, 95385), (120, 82667), (130, 76308), (156, 63590), (195, 50872), (260, 38154), (312, 31795), (390, 25436), (520, 19077), (780, 12718), (1560, 6359)]