40047550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 78343200

約数和(自身を除く): 38295650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 142, 145, 290, 355, 389, 710, 725, 778, 1450, 1775, 1945, 2059, 3550, 3890, 4118, 9725, 10295, 11281, 19450, 20590, 22562, 27619, 51475, 55238, 56405, 102950, 112810, 138095, 276190, 282025, 564050, 690475, 800951, 1380950, 1601902, 4004755, 8009510, 20023775, 40047550]

約数ペア:

[(1, 40047550), (2, 20023775), (5, 8009510), (10, 4004755), (25, 1601902), (29, 1380950), (50, 800951), (58, 690475), (71, 564050), (142, 282025), (145, 276190), (290, 138095), (355, 112810), (389, 102950), (710, 56405), (725, 55238), (778, 51475), (1450, 27619), (1775, 22562), (1945, 20590), (2059, 19450), (3550, 11281), (3890, 10295), (4118, 9725)]