82574080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 204269184

約数和(自身を除く): 121695104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2081, 2480, 3968, 4162, 4960, 7936, 8324, 9920, 10405, 16648, 19840, 20810, 33296, 39680, 41620, 64511, 66592, 83240, 129022, 133184, 166480, 258044, 266368, 322555, 332960, 516088, 532736, 645110, 665920, 1032176, 1290220, 1331840, 2064352, 2580440, 2663680, 4128704, 5160880, 8257408, 10321760, 16514816, 20643520, 41287040, 82574080]

約数ペア:

[(1, 82574080), (2, 41287040), (4, 20643520), (5, 16514816), (8, 10321760), (10, 8257408), (16, 5160880), (20, 4128704), (31, 2663680), (32, 2580440), (40, 2064352), (62, 1331840), (64, 1290220), (80, 1032176), (124, 665920), (128, 645110), (155, 532736), (160, 516088), (248, 332960), (256, 322555), (310, 266368), (320, 258044), (496, 166480), (620, 133184), (640, 129022), (992, 83240), (1240, 66592), (1280, 64511), (1984, 41620), (2081, 39680), (2480, 33296), (3968, 20810), (4162, 19840), (4960, 16648), (7936, 10405), (8324, 9920)]