40860965720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{371869}}^1$

素因数の和:371988

約数の個数: 64

約数和(自身を含む): 95585464800

約数和(自身を除く): 54724499080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 820, 1340, 1640, 2680, 2747, 5494, 10988, 13735, 21976, 27470, 54940, 109880, 371869, 743738, 1487476, 1859345, 2974952, 3718690, 7437380, 14874760, 15246629, 24915223, 30493258, 49830446, 60986516, 76233145, 99660892, 121973032, 124576115, 152466290, 199321784, 249152230, 304932580, 498304460, 609865160, 996608920, 1021524143, 2043048286, 4086096572, 5107620715, 8172193144, 10215241430, 20430482860, 40860965720]

約数ペア:

[(1, 40860965720), (2, 20430482860), (4, 10215241430), (5, 8172193144), (8, 5107620715), (10, 4086096572), (20, 2043048286), (40, 1021524143), (41, 996608920), (67, 609865160), (82, 498304460), (134, 304932580), (164, 249152230), (205, 199321784), (268, 152466290), (328, 124576115), (335, 121973032), (410, 99660892), (536, 76233145), (670, 60986516), (820, 49830446), (1340, 30493258), (1640, 24915223), (2680, 15246629), (2747, 14874760), (5494, 7437380), (10988, 3718690), (13735, 2974952), (21976, 1859345), (27470, 1487476), (54940, 743738), (109880, 371869)]