828201320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{1621}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 1907666640

約数和(自身を除く): 1079465320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 241, 265, 424, 482, 530, 964, 1060, 1205, 1621, 1928, 2120, 2410, 3242, 4820, 6484, 8105, 9640, 12773, 12968, 16210, 25546, 32420, 51092, 63865, 64840, 85913, 102184, 127730, 171826, 255460, 343652, 390661, 429565, 510920, 687304, 781322, 859130, 1562644, 1718260, 1953305, 3125288, 3436520, 3906610, 7813220, 15626440, 20705033, 41410066, 82820132, 103525165, 165640264, 207050330, 414100660, 828201320]

約数ペア:

[(1, 828201320), (2, 414100660), (4, 207050330), (5, 165640264), (8, 103525165), (10, 82820132), (20, 41410066), (40, 20705033), (53, 15626440), (106, 7813220), (212, 3906610), (241, 3436520), (265, 3125288), (424, 1953305), (482, 1718260), (530, 1562644), (964, 859130), (1060, 781322), (1205, 687304), (1621, 510920), (1928, 429565), (2120, 390661), (2410, 343652), (3242, 255460), (4820, 171826), (6484, 127730), (8105, 102184), (9640, 85913), (12773, 64840), (12968, 63865), (16210, 51092), (25546, 32420)]