126197840

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7927}}^1$

素因数の和:8139

約数の個数: 40

約数和(自身を含む): 294921600

約数和(自身を除く): 168723760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7927, 7960, 15854, 15920, 31708, 39635, 63416, 79270, 126832, 158540, 317080, 634160, 1577473, 3154946, 6309892, 7887365, 12619784, 15774730, 25239568, 31549460, 63098920, 126197840]

約数ペア:

[(1, 126197840), (2, 63098920), (4, 31549460), (5, 25239568), (8, 15774730), (10, 12619784), (16, 7887365), (20, 6309892), (40, 3154946), (80, 1577473), (199, 634160), (398, 317080), (796, 158540), (995, 126832), (1592, 79270), (1990, 63416), (3184, 39635), (3980, 31708), (7927, 15920), (7960, 15854)]