47639540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 111443640

約数和(自身を除く): 63804100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 109, 130, 164, 205, 218, 260, 410, 436, 533, 545, 820, 1066, 1090, 1417, 1681, 2132, 2180, 2665, 2834, 3362, 4469, 5330, 5668, 6724, 7085, 8405, 8938, 10660, 14170, 16810, 17876, 21853, 22345, 28340, 33620, 43706, 44690, 58097, 87412, 89380, 109265, 116194, 183229, 218530, 232388, 290485, 366458, 437060, 580970, 732916, 916145, 1161940, 1832290, 2381977, 3664580, 4763954, 9527908, 11909885, 23819770, 47639540]

約数ペア:

[(1, 47639540), (2, 23819770), (4, 11909885), (5, 9527908), (10, 4763954), (13, 3664580), (20, 2381977), (26, 1832290), (41, 1161940), (52, 916145), (65, 732916), (82, 580970), (109, 437060), (130, 366458), (164, 290485), (205, 232388), (218, 218530), (260, 183229), (410, 116194), (436, 109265), (533, 89380), (545, 87412), (820, 58097), (1066, 44690), (1090, 43706), (1417, 33620), (1681, 28340), (2132, 22345), (2180, 21853), (2665, 17876), (2834, 16810), (3362, 14170), (4469, 10660), (5330, 8938), (5668, 8405), (6724, 7085)]