13284920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 33026400

約数和(自身を除く): 19741480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 277, 436, 440, 545, 554, 872, 1090, 1108, 1199, 1385, 2180, 2216, 2398, 2770, 3047, 4360, 4796, 5540, 5995, 6094, 9592, 11080, 11990, 12188, 15235, 23980, 24376, 30193, 30470, 47960, 60386, 60940, 120772, 121880, 150965, 241544, 301930, 332123, 603860, 664246, 1207720, 1328492, 1660615, 2656984, 3321230, 6642460, 13284920]

約数ペア:

[(1, 13284920), (2, 6642460), (4, 3321230), (5, 2656984), (8, 1660615), (10, 1328492), (11, 1207720), (20, 664246), (22, 603860), (40, 332123), (44, 301930), (55, 241544), (88, 150965), (109, 121880), (110, 120772), (218, 60940), (220, 60386), (277, 47960), (436, 30470), (440, 30193), (545, 24376), (554, 23980), (872, 15235), (1090, 12188), (1108, 11990), (1199, 11080), (1385, 9592), (2180, 6094), (2216, 5995), (2398, 5540), (2770, 4796), (3047, 4360)]