40109000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2151

約数の個数: 64

約数和(自身を含む): 98841600

約数和(自身を除く): 58732600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2111, 2375, 3800, 4222, 4750, 8444, 9500, 10555, 16888, 19000, 21110, 40109, 42220, 52775, 80218, 84440, 105550, 160436, 200545, 211100, 263875, 320872, 401090, 422200, 527750, 802180, 1002725, 1055500, 1604360, 2005450, 2111000, 4010900, 5013625, 8021800, 10027250, 20054500, 40109000]

約数ペア:

[(1, 40109000), (2, 20054500), (4, 10027250), (5, 8021800), (8, 5013625), (10, 4010900), (19, 2111000), (20, 2005450), (25, 1604360), (38, 1055500), (40, 1002725), (50, 802180), (76, 527750), (95, 422200), (100, 401090), (125, 320872), (152, 263875), (190, 211100), (200, 200545), (250, 160436), (380, 105550), (475, 84440), (500, 80218), (760, 52775), (950, 42220), (1000, 40109), (1900, 21110), (2111, 19000), (2375, 16888), (3800, 10555), (4222, 9500), (4750, 8444)]