66372280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 162439200

約数和(自身を除く): 96066920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1171, 1417, 2180, 2342, 2834, 4360, 4684, 5668, 5855, 7085, 9368, 11336, 11710, 14170, 15223, 23420, 28340, 30446, 46840, 56680, 60892, 76115, 121784, 127639, 152230, 255278, 304460, 510556, 608920, 638195, 1021112, 1276390, 1659307, 2552780, 3318614, 5105560, 6637228, 8296535, 13274456, 16593070, 33186140, 66372280]

約数ペア:

[(1, 66372280), (2, 33186140), (4, 16593070), (5, 13274456), (8, 8296535), (10, 6637228), (13, 5105560), (20, 3318614), (26, 2552780), (40, 1659307), (52, 1276390), (65, 1021112), (104, 638195), (109, 608920), (130, 510556), (218, 304460), (260, 255278), (436, 152230), (520, 127639), (545, 121784), (872, 76115), (1090, 60892), (1171, 56680), (1417, 46840), (2180, 30446), (2342, 28340), (2834, 23420), (4360, 15223), (4684, 14170), (5668, 11710), (5855, 11336), (7085, 9368)]