25349870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 56972160

約数和(自身を除く): 31622290

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 313, 445, 455, 623, 626, 890, 910, 1157, 1246, 1565, 2191, 2314, 3115, 3130, 4069, 4382, 5785, 6230, 8099, 8138, 10955, 11570, 16198, 20345, 21910, 27857, 28483, 40495, 40690, 55714, 56966, 80990, 139285, 142415, 194999, 278570, 284830, 362141, 389998, 724282, 974995, 1810705, 1949990, 2534987, 3621410, 5069974, 12674935, 25349870]

約数ペア:

[(1, 25349870), (2, 12674935), (5, 5069974), (7, 3621410), (10, 2534987), (13, 1949990), (14, 1810705), (26, 974995), (35, 724282), (65, 389998), (70, 362141), (89, 284830), (91, 278570), (130, 194999), (178, 142415), (182, 139285), (313, 80990), (445, 56966), (455, 55714), (623, 40690), (626, 40495), (890, 28483), (910, 27857), (1157, 21910), (1246, 20345), (1565, 16198), (2191, 11570), (2314, 10955), (3115, 8138), (3130, 8099), (4069, 6230), (4382, 5785)]