51313820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 117210240

約数和(自身を除く): 65896420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 4079, 6290, 8158, 12580, 16316, 20395, 40790, 69343, 81580, 138686, 150923, 277372, 301846, 346715, 603692, 693430, 754615, 1386860, 1509230, 2565691, 3018460, 5131382, 10262764, 12828455, 25656910, 51313820]

約数ペア:

[(1, 51313820), (2, 25656910), (4, 12828455), (5, 10262764), (10, 5131382), (17, 3018460), (20, 2565691), (34, 1509230), (37, 1386860), (68, 754615), (74, 693430), (85, 603692), (148, 346715), (170, 301846), (185, 277372), (340, 150923), (370, 138686), (629, 81580), (740, 69343), (1258, 40790), (2516, 20395), (3145, 16316), (4079, 12580), (6290, 8158)]