2018440000

素因数分解:

$2^6\times 5^4\times {\mathrm{50461}}^1$

素因数の和:50493

約数の個数: 70

約数和(自身を含む): 5005174394

約数和(自身を除く): 2986734394

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 8000, 10000, 20000, 40000, 50461, 100922, 201844, 252305, 403688, 504610, 807376, 1009220, 1261525, 1614752, 2018440, 2523050, 3229504, 4036880, 5046100, 6307625, 8073760, 10092200, 12615250, 16147520, 20184400, 25230500, 31538125, 40368800, 50461000, 63076250, 80737600, 100922000, 126152500, 201844000, 252305000, 403688000, 504610000, 1009220000, 2018440000]

約数ペア:

[(1, 2018440000), (2, 1009220000), (4, 504610000), (5, 403688000), (8, 252305000), (10, 201844000), (16, 126152500), (20, 100922000), (25, 80737600), (32, 63076250), (40, 50461000), (50, 40368800), (64, 31538125), (80, 25230500), (100, 20184400), (125, 16147520), (160, 12615250), (200, 10092200), (250, 8073760), (320, 6307625), (400, 5046100), (500, 4036880), (625, 3229504), (800, 2523050), (1000, 2018440), (1250, 1614752), (1600, 1261525), (2000, 1009220), (2500, 807376), (4000, 504610), (5000, 403688), (8000, 252305), (10000, 201844), (20000, 100922), (40000, 50461)]