5471720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 13122000

約数和(自身を除く): 7650280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 89, 106, 116, 145, 178, 212, 232, 265, 290, 356, 424, 445, 530, 580, 712, 890, 1060, 1160, 1537, 1780, 2120, 2581, 3074, 3560, 4717, 5162, 6148, 7685, 9434, 10324, 12296, 12905, 15370, 18868, 20648, 23585, 25810, 30740, 37736, 47170, 51620, 61480, 94340, 103240, 136793, 188680, 273586, 547172, 683965, 1094344, 1367930, 2735860, 5471720]

約数ペア:

[(1, 5471720), (2, 2735860), (4, 1367930), (5, 1094344), (8, 683965), (10, 547172), (20, 273586), (29, 188680), (40, 136793), (53, 103240), (58, 94340), (89, 61480), (106, 51620), (116, 47170), (145, 37736), (178, 30740), (212, 25810), (232, 23585), (265, 20648), (290, 18868), (356, 15370), (424, 12905), (445, 12296), (530, 10324), (580, 9434), (712, 7685), (890, 6148), (1060, 5162), (1160, 4717), (1537, 3560), (1780, 3074), (2120, 2581)]