26481980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 40578244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 53, 70, 83, 86, 106, 140, 166, 172, 212, 215, 265, 301, 332, 371, 415, 430, 530, 581, 602, 742, 830, 860, 1060, 1162, 1204, 1484, 1505, 1660, 1855, 2279, 2324, 2905, 3010, 3569, 3710, 4399, 4558, 5810, 6020, 7138, 7420, 8798, 9116, 11395, 11620, 14276, 15953, 17596, 17845, 21995, 22790, 24983, 30793, 31906, 35690, 43990, 45580, 49966, 61586, 63812, 71380, 79765, 87980, 99932, 123172, 124915, 153965, 159530, 189157, 249830, 307930, 319060, 378314, 499660, 615860, 756628, 945785, 1324099, 1891570, 2648198, 3783140, 5296396, 6620495, 13240990, 26481980]

約数ペア:

[(1, 26481980), (2, 13240990), (4, 6620495), (5, 5296396), (7, 3783140), (10, 2648198), (14, 1891570), (20, 1324099), (28, 945785), (35, 756628), (43, 615860), (53, 499660), (70, 378314), (83, 319060), (86, 307930), (106, 249830), (140, 189157), (166, 159530), (172, 153965), (212, 124915), (215, 123172), (265, 99932), (301, 87980), (332, 79765), (371, 71380), (415, 63812), (430, 61586), (530, 49966), (581, 45580), (602, 43990), (742, 35690), (830, 31906), (860, 30793), (1060, 24983), (1162, 22790), (1204, 21995), (1484, 17845), (1505, 17596), (1660, 15953), (1855, 14276), (2279, 11620), (2324, 11395), (2905, 9116), (3010, 8798), (3569, 7420), (3710, 7138), (4399, 6020), (4558, 5810)]