28444260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36467}}^1$

素因数の和:36492

約数の個数: 48

約数和(自身を含む): 85772736

約数和(自身を除く): 57328476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36467, 72934, 109401, 145868, 182335, 218802, 364670, 437604, 474071, 547005, 729340, 948142, 1094010, 1422213, 1896284, 2188020, 2370355, 2844426, 4740710, 5688852, 7111065, 9481420, 14222130, 28444260]

約数ペア:

[(1, 28444260), (2, 14222130), (3, 9481420), (4, 7111065), (5, 5688852), (6, 4740710), (10, 2844426), (12, 2370355), (13, 2188020), (15, 1896284), (20, 1422213), (26, 1094010), (30, 948142), (39, 729340), (52, 547005), (60, 474071), (65, 437604), (78, 364670), (130, 218802), (156, 182335), (195, 145868), (260, 109401), (390, 72934), (780, 36467)]