82412500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 190300320

約数和(自身を除く): 107887820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 347, 380, 475, 500, 625, 694, 950, 1250, 1388, 1735, 1900, 2375, 2500, 3125, 3470, 4750, 6250, 6593, 6940, 8675, 9500, 11875, 12500, 13186, 17350, 23750, 26372, 32965, 34700, 43375, 47500, 59375, 65930, 86750, 118750, 131860, 164825, 173500, 216875, 237500, 329650, 433750, 659300, 824125, 867500, 1084375, 1648250, 2168750, 3296500, 4120625, 4337500, 8241250, 16482500, 20603125, 41206250, 82412500]

約数ペア:

[(1, 82412500), (2, 41206250), (4, 20603125), (5, 16482500), (10, 8241250), (19, 4337500), (20, 4120625), (25, 3296500), (38, 2168750), (50, 1648250), (76, 1084375), (95, 867500), (100, 824125), (125, 659300), (190, 433750), (250, 329650), (347, 237500), (380, 216875), (475, 173500), (500, 164825), (625, 131860), (694, 118750), (950, 86750), (1250, 65930), (1388, 59375), (1735, 47500), (1900, 43375), (2375, 34700), (2500, 32965), (3125, 26372), (3470, 23750), (4750, 17350), (6250, 13186), (6593, 12500), (6940, 11875), (8675, 9500)]