80820460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3677}}^1$

素因数の和:3850

約数の個数: 48

約数和(自身を含む): 195257664

約数和(自身を除く): 114437204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3677, 4396, 5495, 7354, 10990, 14708, 18385, 21980, 25739, 36770, 51478, 73540, 102956, 128695, 257390, 514780, 577289, 1154578, 2309156, 2886445, 4041023, 5772890, 8082046, 11545780, 16164092, 20205115, 40410230, 80820460]

約数ペア:

[(1, 80820460), (2, 40410230), (4, 20205115), (5, 16164092), (7, 11545780), (10, 8082046), (14, 5772890), (20, 4041023), (28, 2886445), (35, 2309156), (70, 1154578), (140, 577289), (157, 514780), (314, 257390), (628, 128695), (785, 102956), (1099, 73540), (1570, 51478), (2198, 36770), (3140, 25739), (3677, 21980), (4396, 18385), (5495, 14708), (7354, 10990)]