12928760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 33445440

約数和(自身を除く): 20516680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 47, 52, 65, 92, 94, 104, 115, 130, 184, 188, 230, 235, 260, 299, 376, 460, 470, 520, 529, 598, 611, 920, 940, 1058, 1081, 1196, 1222, 1495, 1880, 2116, 2162, 2392, 2444, 2645, 2990, 3055, 4232, 4324, 4888, 5290, 5405, 5980, 6110, 6877, 8648, 10580, 10810, 11960, 12220, 13754, 14053, 21160, 21620, 24440, 24863, 27508, 28106, 34385, 43240, 49726, 55016, 56212, 68770, 70265, 99452, 112424, 124315, 137540, 140530, 198904, 248630, 275080, 281060, 323219, 497260, 562120, 646438, 994520, 1292876, 1616095, 2585752, 3232190, 6464380, 12928760]

約数ペア:

[(1, 12928760), (2, 6464380), (4, 3232190), (5, 2585752), (8, 1616095), (10, 1292876), (13, 994520), (20, 646438), (23, 562120), (26, 497260), (40, 323219), (46, 281060), (47, 275080), (52, 248630), (65, 198904), (92, 140530), (94, 137540), (104, 124315), (115, 112424), (130, 99452), (184, 70265), (188, 68770), (230, 56212), (235, 55016), (260, 49726), (299, 43240), (376, 34385), (460, 28106), (470, 27508), (520, 24863), (529, 24440), (598, 21620), (611, 21160), (920, 14053), (940, 13754), (1058, 12220), (1081, 11960), (1196, 10810), (1222, 10580), (1495, 8648), (1880, 6877), (2116, 6110), (2162, 5980), (2392, 5405), (2444, 5290), (2645, 4888), (2990, 4324), (3055, 4232)]