39662500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 91869120

約数和(自身を除く): 52206620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 167, 190, 250, 334, 380, 475, 500, 625, 668, 835, 950, 1250, 1670, 1900, 2375, 2500, 3125, 3173, 3340, 4175, 4750, 6250, 6346, 8350, 9500, 11875, 12500, 12692, 15865, 16700, 20875, 23750, 31730, 41750, 47500, 59375, 63460, 79325, 83500, 104375, 118750, 158650, 208750, 237500, 317300, 396625, 417500, 521875, 793250, 1043750, 1586500, 1983125, 2087500, 3966250, 7932500, 9915625, 19831250, 39662500]

約数ペア:

[(1, 39662500), (2, 19831250), (4, 9915625), (5, 7932500), (10, 3966250), (19, 2087500), (20, 1983125), (25, 1586500), (38, 1043750), (50, 793250), (76, 521875), (95, 417500), (100, 396625), (125, 317300), (167, 237500), (190, 208750), (250, 158650), (334, 118750), (380, 104375), (475, 83500), (500, 79325), (625, 63460), (668, 59375), (835, 47500), (950, 41750), (1250, 31730), (1670, 23750), (1900, 20875), (2375, 16700), (2500, 15865), (3125, 12692), (3173, 12500), (3340, 11875), (4175, 9500), (4750, 8350), (6250, 6346)]