8609320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 20528640

約数和(自身を除く): 11919320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 131, 155, 212, 248, 262, 265, 310, 424, 524, 530, 620, 655, 1048, 1060, 1240, 1310, 1643, 2120, 2620, 3286, 4061, 5240, 6572, 6943, 8122, 8215, 13144, 13886, 16244, 16430, 20305, 27772, 32488, 32860, 34715, 40610, 55544, 65720, 69430, 81220, 138860, 162440, 215233, 277720, 430466, 860932, 1076165, 1721864, 2152330, 4304660, 8609320]

約数ペア:

[(1, 8609320), (2, 4304660), (4, 2152330), (5, 1721864), (8, 1076165), (10, 860932), (20, 430466), (31, 277720), (40, 215233), (53, 162440), (62, 138860), (106, 81220), (124, 69430), (131, 65720), (155, 55544), (212, 40610), (248, 34715), (262, 32860), (265, 32488), (310, 27772), (424, 20305), (524, 16430), (530, 16244), (620, 13886), (655, 13144), (1048, 8215), (1060, 8122), (1240, 6943), (1310, 6572), (1643, 5240), (2120, 4061), (2620, 3286)]