130761875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 179042688

約数和(自身を除く): 48280813

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 397, 425, 527, 625, 775, 1985, 2125, 2635, 3875, 6749, 9925, 10625, 12307, 13175, 19375, 33745, 49625, 61535, 65875, 168725, 209219, 248125, 307675, 329375, 843625, 1046095, 1538375, 4218125, 5230475, 7691875, 26152375, 130761875]

約数ペア:

[(1, 130761875), (5, 26152375), (17, 7691875), (25, 5230475), (31, 4218125), (85, 1538375), (125, 1046095), (155, 843625), (397, 329375), (425, 307675), (527, 248125), (625, 209219), (775, 168725), (1985, 65875), (2125, 61535), (2635, 49625), (3875, 33745), (6749, 19375), (9925, 13175), (10625, 12307)]