26397980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 63811776

約数和(自身を除く): 37413796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1201, 1570, 2198, 2402, 3140, 4396, 4804, 5495, 6005, 8407, 10990, 12010, 16814, 21980, 24020, 33628, 42035, 84070, 168140, 188557, 377114, 754228, 942785, 1319899, 1885570, 2639798, 3771140, 5279596, 6599495, 13198990, 26397980]

約数ペア:

[(1, 26397980), (2, 13198990), (4, 6599495), (5, 5279596), (7, 3771140), (10, 2639798), (14, 1885570), (20, 1319899), (28, 942785), (35, 754228), (70, 377114), (140, 188557), (157, 168140), (314, 84070), (628, 42035), (785, 33628), (1099, 24020), (1201, 21980), (1570, 16814), (2198, 12010), (2402, 10990), (3140, 8407), (4396, 6005), (4804, 5495)]