201552520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 490271040

約数和(自身を除く): 288718520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 331, 520, 662, 1171, 1324, 1655, 2342, 2648, 3310, 4303, 4684, 5855, 6620, 8606, 9368, 11710, 13240, 15223, 17212, 21515, 23420, 30446, 34424, 43030, 46840, 60892, 76115, 86060, 121784, 152230, 172120, 304460, 387601, 608920, 775202, 1550404, 1938005, 3100808, 3876010, 5038813, 7752020, 10077626, 15504040, 20155252, 25194065, 40310504, 50388130, 100776260, 201552520]

約数ペア:

[(1, 201552520), (2, 100776260), (4, 50388130), (5, 40310504), (8, 25194065), (10, 20155252), (13, 15504040), (20, 10077626), (26, 7752020), (40, 5038813), (52, 3876010), (65, 3100808), (104, 1938005), (130, 1550404), (260, 775202), (331, 608920), (520, 387601), (662, 304460), (1171, 172120), (1324, 152230), (1655, 121784), (2342, 86060), (2648, 76115), (3310, 60892), (4303, 46840), (4684, 43030), (5855, 34424), (6620, 30446), (8606, 23420), (9368, 21515), (11710, 17212), (13240, 15223)]