12894160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 33480000

約数和(自身を除く): 20585840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 499, 646, 680, 760, 998, 1292, 1360, 1520, 1615, 1996, 2495, 2584, 3230, 3992, 4990, 5168, 6460, 7984, 8483, 9481, 9980, 12920, 16966, 18962, 19960, 25840, 33932, 37924, 39920, 42415, 47405, 67864, 75848, 84830, 94810, 135728, 151696, 161177, 169660, 189620, 322354, 339320, 379240, 644708, 678640, 758480, 805885, 1289416, 1611770, 2578832, 3223540, 6447080, 12894160]

約数ペア:

[(1, 12894160), (2, 6447080), (4, 3223540), (5, 2578832), (8, 1611770), (10, 1289416), (16, 805885), (17, 758480), (19, 678640), (20, 644708), (34, 379240), (38, 339320), (40, 322354), (68, 189620), (76, 169660), (80, 161177), (85, 151696), (95, 135728), (136, 94810), (152, 84830), (170, 75848), (190, 67864), (272, 47405), (304, 42415), (323, 39920), (340, 37924), (380, 33932), (499, 25840), (646, 19960), (680, 18962), (760, 16966), (998, 12920), (1292, 9980), (1360, 9481), (1520, 8483), (1615, 7984), (1996, 6460), (2495, 5168), (2584, 4990), (3230, 3992)]