25387450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 53210880

約数和(自身を除く): 27823430

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 155, 275, 310, 341, 550, 682, 775, 1489, 1550, 1705, 2978, 3410, 7445, 8525, 14890, 16379, 17050, 32758, 37225, 46159, 74450, 81895, 92318, 163790, 230795, 409475, 461590, 507749, 818950, 1015498, 1153975, 2307950, 2538745, 5077490, 12693725, 25387450]

約数ペア:

[(1, 25387450), (2, 12693725), (5, 5077490), (10, 2538745), (11, 2307950), (22, 1153975), (25, 1015498), (31, 818950), (50, 507749), (55, 461590), (62, 409475), (110, 230795), (155, 163790), (275, 92318), (310, 81895), (341, 74450), (550, 46159), (682, 37225), (775, 32758), (1489, 17050), (1550, 16379), (1705, 14890), (2978, 8525), (3410, 7445)]