160996420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2467}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 365698368

約数和(自身を除く): 204701948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1255, 2467, 2510, 3263, 4934, 5020, 6526, 9868, 12335, 13052, 16315, 24670, 32071, 32630, 49340, 64142, 65260, 128284, 160355, 320710, 619217, 641420, 1238434, 2476868, 3096085, 6192170, 8049821, 12384340, 16099642, 32199284, 40249105, 80498210, 160996420]

約数ペア:

[(1, 160996420), (2, 80498210), (4, 40249105), (5, 32199284), (10, 16099642), (13, 12384340), (20, 8049821), (26, 6192170), (52, 3096085), (65, 2476868), (130, 1238434), (251, 641420), (260, 619217), (502, 320710), (1004, 160355), (1255, 128284), (2467, 65260), (2510, 64142), (3263, 49340), (4934, 32630), (5020, 32071), (6526, 24670), (9868, 16315), (12335, 13052)]