78017875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 107505216

約数和(自身を除く): 29487341

約数列:

[1, 5, 13, 25, 41, 65, 125, 205, 325, 533, 1025, 1171, 1625, 2665, 5125, 5855, 13325, 15223, 29275, 48011, 66625, 76115, 146375, 240055, 380575, 624143, 1200275, 1902875, 3120715, 6001375, 15603575, 78017875]

約数ペア:

[(1, 78017875), (5, 15603575), (13, 6001375), (25, 3120715), (41, 1902875), (65, 1200275), (125, 624143), (205, 380575), (325, 240055), (533, 146375), (1025, 76115), (1171, 66625), (1625, 48011), (2665, 29275), (5125, 15223), (5855, 13325)]