8645884840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{181789}}^1$

素因数の和:181870

約数の個数: 64

約数和(自身を含む): 20614986000

約数和(自身を除く): 11969101160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 181789, 363578, 727156, 908945, 1454312, 1817890, 3635780, 5271881, 7271560, 7453349, 10543762, 14906698, 21087524, 26359405, 29813396, 37266745, 42175048, 52718810, 59626792, 74533490, 105437620, 149066980, 210875240, 216147121, 298133960, 432294242, 864588484, 1080735605, 1729176968, 2161471210, 4322942420, 8645884840]

約数ペア:

[(1, 8645884840), (2, 4322942420), (4, 2161471210), (5, 1729176968), (8, 1080735605), (10, 864588484), (20, 432294242), (29, 298133960), (40, 216147121), (41, 210875240), (58, 149066980), (82, 105437620), (116, 74533490), (145, 59626792), (164, 52718810), (205, 42175048), (232, 37266745), (290, 29813396), (328, 26359405), (410, 21087524), (580, 14906698), (820, 10543762), (1160, 7453349), (1189, 7271560), (1640, 5271881), (2378, 3635780), (4756, 1817890), (5945, 1454312), (9512, 908945), (11890, 727156), (23780, 363578), (47560, 181789)]