156629168240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9938399}}^1$

素因数の和:9938609

約数の個数: 40

約数和(自身を含む): 366011395200

約数和(自身を除く): 209382226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 9938399, 19876798, 39753596, 49691995, 79507192, 99383990, 159014384, 198767980, 397535960, 795071920, 1957864603, 3915729206, 7831458412, 9789323015, 15662916824, 19578646030, 31325833648, 39157292060, 78314584120, 156629168240]

約数ペア:

[(1, 156629168240), (2, 78314584120), (4, 39157292060), (5, 31325833648), (8, 19578646030), (10, 15662916824), (16, 9789323015), (20, 7831458412), (40, 3915729206), (80, 1957864603), (197, 795071920), (394, 397535960), (788, 198767980), (985, 159014384), (1576, 99383990), (1970, 79507192), (3152, 49691995), (3940, 39753596), (7880, 19876798), (15760, 9938399)]