28382360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 67461120

約数和(自身を除く): 39078760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 487, 620, 940, 974, 1240, 1457, 1880, 1948, 2435, 2914, 3896, 4870, 5828, 7285, 9740, 11656, 14570, 15097, 19480, 22889, 29140, 30194, 45778, 58280, 60388, 75485, 91556, 114445, 120776, 150970, 183112, 228890, 301940, 457780, 603880, 709559, 915560, 1419118, 2838236, 3547795, 5676472, 7095590, 14191180, 28382360]

約数ペア:

[(1, 28382360), (2, 14191180), (4, 7095590), (5, 5676472), (8, 3547795), (10, 2838236), (20, 1419118), (31, 915560), (40, 709559), (47, 603880), (62, 457780), (94, 301940), (124, 228890), (155, 183112), (188, 150970), (235, 120776), (248, 114445), (310, 91556), (376, 75485), (470, 60388), (487, 58280), (620, 45778), (940, 30194), (974, 29140), (1240, 22889), (1457, 19480), (1880, 15097), (1948, 14570), (2435, 11656), (2914, 9740), (3896, 7285), (4870, 5828)]