131423680

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6961}}^1$

素因数の和:7037

約数の個数: 56

約数和(自身を含む): 318302640

約数和(自身を除く): 186878960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1180, 1888, 2360, 3776, 4720, 6961, 9440, 13922, 18880, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 410699, 445504, 556880, 821398, 1113760, 1642796, 2053495, 2227520, 3285592, 4106990, 6571184, 8213980, 13142368, 16427960, 26284736, 32855920, 65711840, 131423680]

約数ペア:

[(1, 131423680), (2, 65711840), (4, 32855920), (5, 26284736), (8, 16427960), (10, 13142368), (16, 8213980), (20, 6571184), (32, 4106990), (40, 3285592), (59, 2227520), (64, 2053495), (80, 1642796), (118, 1113760), (160, 821398), (236, 556880), (295, 445504), (320, 410699), (472, 278440), (590, 222752), (944, 139220), (1180, 111376), (1888, 69610), (2360, 55688), (3776, 34805), (4720, 27844), (6961, 18880), (9440, 13922)]