40508440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 104832000

約数和(自身を除く): 64323560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 727, 796, 995, 1393, 1454, 1592, 1990, 2786, 2908, 3635, 3980, 5089, 5572, 5816, 6965, 7270, 7960, 10178, 11144, 13930, 14540, 20356, 25445, 27860, 29080, 40712, 50890, 55720, 101780, 144673, 203560, 289346, 578692, 723365, 1012711, 1157384, 1446730, 2025422, 2893460, 4050844, 5063555, 5786920, 8101688, 10127110, 20254220, 40508440]

約数ペア:

[(1, 40508440), (2, 20254220), (4, 10127110), (5, 8101688), (7, 5786920), (8, 5063555), (10, 4050844), (14, 2893460), (20, 2025422), (28, 1446730), (35, 1157384), (40, 1012711), (56, 723365), (70, 578692), (140, 289346), (199, 203560), (280, 144673), (398, 101780), (727, 55720), (796, 50890), (995, 40712), (1393, 29080), (1454, 27860), (1592, 25445), (1990, 20356), (2786, 14540), (2908, 13930), (3635, 11144), (3980, 10178), (5089, 7960), (5572, 7270), (5816, 6965)]