72668830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 144295200

約数和(自身を除く): 71626370

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 199, 265, 398, 530, 689, 995, 1378, 1990, 2587, 2809, 3445, 5174, 5618, 6890, 10547, 12935, 14045, 21094, 25870, 28090, 36517, 52735, 73034, 105470, 137111, 182585, 274222, 365170, 558991, 685555, 1117982, 1371110, 2794955, 5589910, 7266883, 14533766, 36334415, 72668830]

約数ペア:

[(1, 72668830), (2, 36334415), (5, 14533766), (10, 7266883), (13, 5589910), (26, 2794955), (53, 1371110), (65, 1117982), (106, 685555), (130, 558991), (199, 365170), (265, 274222), (398, 182585), (530, 137111), (689, 105470), (995, 73034), (1378, 52735), (1990, 36517), (2587, 28090), (2809, 25870), (3445, 21094), (5174, 14045), (5618, 12935), (6890, 10547)]