40000750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 77899536

約数和(自身を除く): 37898786

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 125, 215, 250, 305, 430, 610, 1075, 1525, 2150, 2623, 3050, 3721, 5246, 5375, 7442, 7625, 10750, 13115, 15250, 18605, 26230, 37210, 65575, 93025, 131150, 160003, 186050, 320006, 327875, 465125, 655750, 800015, 930250, 1600030, 4000075, 8000150, 20000375, 40000750]

約数ペア:

[(1, 40000750), (2, 20000375), (5, 8000150), (10, 4000075), (25, 1600030), (43, 930250), (50, 800015), (61, 655750), (86, 465125), (122, 327875), (125, 320006), (215, 186050), (250, 160003), (305, 131150), (430, 93025), (610, 65575), (1075, 37210), (1525, 26230), (2150, 18605), (2623, 15250), (3050, 13115), (3721, 10750), (5246, 7625), (5375, 7442)]