27221440

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:605

約数の個数: 56

約数和(自身を含む): 65269872

約数和(自身を除く): 38048432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 331, 514, 662, 1028, 1285, 1324, 1655, 2056, 2570, 2648, 3310, 4112, 5140, 5296, 6620, 8224, 10280, 10592, 13240, 16448, 20560, 21184, 26480, 41120, 52960, 82240, 85067, 105920, 170134, 340268, 425335, 680536, 850670, 1361072, 1701340, 2722144, 3402680, 5444288, 6805360, 13610720, 27221440]

約数ペア:

[(1, 27221440), (2, 13610720), (4, 6805360), (5, 5444288), (8, 3402680), (10, 2722144), (16, 1701340), (20, 1361072), (32, 850670), (40, 680536), (64, 425335), (80, 340268), (160, 170134), (257, 105920), (320, 85067), (331, 82240), (514, 52960), (662, 41120), (1028, 26480), (1285, 21184), (1324, 20560), (1655, 16448), (2056, 13240), (2570, 10592), (2648, 10280), (3310, 8224), (4112, 6620), (5140, 5296)]