13663840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 34836480

約数和(自身を除く): 21172640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 79, 80, 92, 94, 115, 158, 160, 184, 188, 230, 235, 316, 368, 376, 395, 460, 470, 632, 736, 752, 790, 920, 940, 1081, 1264, 1504, 1580, 1817, 1840, 1880, 2162, 2528, 3160, 3634, 3680, 3713, 3760, 4324, 5405, 6320, 7268, 7426, 7520, 8648, 9085, 10810, 12640, 14536, 14852, 17296, 18170, 18565, 21620, 29072, 29704, 34592, 36340, 37130, 43240, 58144, 59408, 72680, 74260, 85399, 86480, 118816, 145360, 148520, 170798, 172960, 290720, 297040, 341596, 426995, 594080, 683192, 853990, 1366384, 1707980, 2732768, 3415960, 6831920, 13663840]

約数ペア:

[(1, 13663840), (2, 6831920), (4, 3415960), (5, 2732768), (8, 1707980), (10, 1366384), (16, 853990), (20, 683192), (23, 594080), (32, 426995), (40, 341596), (46, 297040), (47, 290720), (79, 172960), (80, 170798), (92, 148520), (94, 145360), (115, 118816), (158, 86480), (160, 85399), (184, 74260), (188, 72680), (230, 59408), (235, 58144), (316, 43240), (368, 37130), (376, 36340), (395, 34592), (460, 29704), (470, 29072), (632, 21620), (736, 18565), (752, 18170), (790, 17296), (920, 14852), (940, 14536), (1081, 12640), (1264, 10810), (1504, 9085), (1580, 8648), (1817, 7520), (1840, 7426), (1880, 7268), (2162, 6320), (2528, 5405), (3160, 4324), (3634, 3760), (3680, 3713)]