128884640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35023}}^1$

素因数の和:35061

約数の個数: 48

約数和(自身を含む): 317737728

約数和(自身を除く): 188853088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 35023, 70046, 140092, 175115, 280184, 350230, 560368, 700460, 805529, 1120736, 1400920, 1611058, 2801840, 3222116, 4027645, 5603680, 6444232, 8055290, 12888464, 16110580, 25776928, 32221160, 64442320, 128884640]

約数ペア:

[(1, 128884640), (2, 64442320), (4, 32221160), (5, 25776928), (8, 16110580), (10, 12888464), (16, 8055290), (20, 6444232), (23, 5603680), (32, 4027645), (40, 3222116), (46, 2801840), (80, 1611058), (92, 1400920), (115, 1120736), (160, 805529), (184, 700460), (230, 560368), (368, 350230), (460, 280184), (736, 175115), (920, 140092), (1840, 70046), (3680, 35023)]