1296197500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{39883}}^1$

素因数の和:39920

約数の個数: 60

約数和(自身を含む): 3052641592

約数和(自身を除く): 1756444092

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3250, 6500, 8125, 16250, 32500, 39883, 79766, 159532, 199415, 398830, 518479, 797660, 997075, 1036958, 1994150, 2073916, 2592395, 3988300, 4985375, 5184790, 9970750, 10369580, 12961975, 19941500, 24926875, 25923950, 49853750, 51847900, 64809875, 99707500, 129619750, 259239500, 324049375, 648098750, 1296197500]

約数ペア:

[(1, 1296197500), (2, 648098750), (4, 324049375), (5, 259239500), (10, 129619750), (13, 99707500), (20, 64809875), (25, 51847900), (26, 49853750), (50, 25923950), (52, 24926875), (65, 19941500), (100, 12961975), (125, 10369580), (130, 9970750), (250, 5184790), (260, 4985375), (325, 3988300), (500, 2592395), (625, 2073916), (650, 1994150), (1250, 1036958), (1300, 997075), (1625, 797660), (2500, 518479), (3250, 398830), (6500, 199415), (8125, 159532), (16250, 79766), (32500, 39883)]