43454720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 72

約数和(自身を含む): 110265624

約数和(自身を除く): 66810904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 1997, 2176, 2720, 3994, 4352, 5440, 7988, 9985, 10880, 15976, 19970, 21760, 31952, 33949, 39940, 63904, 67898, 79880, 127808, 135796, 159760, 169745, 255616, 271592, 319520, 339490, 511232, 543184, 639040, 678980, 1086368, 1278080, 1357960, 2172736, 2556160, 2715920, 4345472, 5431840, 8690944, 10863680, 21727360, 43454720]

約数ペア:

[(1, 43454720), (2, 21727360), (4, 10863680), (5, 8690944), (8, 5431840), (10, 4345472), (16, 2715920), (17, 2556160), (20, 2172736), (32, 1357960), (34, 1278080), (40, 1086368), (64, 678980), (68, 639040), (80, 543184), (85, 511232), (128, 339490), (136, 319520), (160, 271592), (170, 255616), (256, 169745), (272, 159760), (320, 135796), (340, 127808), (544, 79880), (640, 67898), (680, 63904), (1088, 39940), (1280, 33949), (1360, 31952), (1997, 21760), (2176, 19970), (2720, 15976), (3994, 10880), (4352, 9985), (5440, 7988)]