2159680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 56

約数和(自身を含む): 5458968

約数和(自身を除く): 3299288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 397, 544, 680, 794, 1088, 1360, 1588, 1985, 2720, 3176, 3970, 5440, 6352, 6749, 7940, 12704, 13498, 15880, 25408, 26996, 31760, 33745, 53992, 63520, 67490, 107984, 127040, 134980, 215968, 269960, 431936, 539920, 1079840, 2159680]

約数ペア:

[(1, 2159680), (2, 1079840), (4, 539920), (5, 431936), (8, 269960), (10, 215968), (16, 134980), (17, 127040), (20, 107984), (32, 67490), (34, 63520), (40, 53992), (64, 33745), (68, 31760), (80, 26996), (85, 25408), (136, 15880), (160, 13498), (170, 12704), (272, 7940), (320, 6749), (340, 6352), (397, 5440), (544, 3970), (680, 3176), (794, 2720), (1088, 1985), (1360, 1588)]