42884360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 100396800

約数和(自身を除く): 57512440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 331, 395, 410, 632, 662, 790, 820, 1324, 1580, 1640, 1655, 2648, 3160, 3239, 3310, 6478, 6620, 12956, 13240, 13571, 16195, 25912, 26149, 27142, 32390, 52298, 54284, 64780, 67855, 104596, 108568, 129560, 130745, 135710, 209192, 261490, 271420, 522980, 542840, 1045960, 1072109, 2144218, 4288436, 5360545, 8576872, 10721090, 21442180, 42884360]

約数ペア:

[(1, 42884360), (2, 21442180), (4, 10721090), (5, 8576872), (8, 5360545), (10, 4288436), (20, 2144218), (40, 1072109), (41, 1045960), (79, 542840), (82, 522980), (158, 271420), (164, 261490), (205, 209192), (316, 135710), (328, 130745), (331, 129560), (395, 108568), (410, 104596), (632, 67855), (662, 64780), (790, 54284), (820, 52298), (1324, 32390), (1580, 27142), (1640, 26149), (1655, 25912), (2648, 16195), (3160, 13571), (3239, 13240), (3310, 12956), (6478, 6620)]