130683680

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1997}}^1$

素因数の和:2421

約数の個数: 48

約数和(自身を含む): 309650040

約数和(自身を除く): 178966360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 1997, 2045, 3272, 3994, 4090, 6544, 7988, 8180, 9985, 13088, 15976, 16360, 19970, 31952, 32720, 39940, 63904, 65440, 79880, 159760, 319520, 816773, 1633546, 3267092, 4083865, 6534184, 8167730, 13068368, 16335460, 26136736, 32670920, 65341840, 130683680]

約数ペア:

[(1, 130683680), (2, 65341840), (4, 32670920), (5, 26136736), (8, 16335460), (10, 13068368), (16, 8167730), (20, 6534184), (32, 4083865), (40, 3267092), (80, 1633546), (160, 816773), (409, 319520), (818, 159760), (1636, 79880), (1997, 65440), (2045, 63904), (3272, 39940), (3994, 32720), (4090, 31952), (6544, 19970), (7988, 16360), (8180, 15976), (9985, 13088)]