72085000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 182051100

約数和(自身を除く): 109966100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1109, 1250, 1300, 1625, 2218, 2500, 2600, 3250, 4436, 5000, 5545, 6500, 8125, 8872, 11090, 13000, 14417, 16250, 22180, 27725, 28834, 32500, 44360, 55450, 57668, 65000, 72085, 110900, 115336, 138625, 144170, 221800, 277250, 288340, 360425, 554500, 576680, 693125, 720850, 1109000, 1386250, 1441700, 1802125, 2772500, 2883400, 3604250, 5545000, 7208500, 9010625, 14417000, 18021250, 36042500, 72085000]

約数ペア:

[(1, 72085000), (2, 36042500), (4, 18021250), (5, 14417000), (8, 9010625), (10, 7208500), (13, 5545000), (20, 3604250), (25, 2883400), (26, 2772500), (40, 1802125), (50, 1441700), (52, 1386250), (65, 1109000), (100, 720850), (104, 693125), (125, 576680), (130, 554500), (200, 360425), (250, 288340), (260, 277250), (325, 221800), (500, 144170), (520, 138625), (625, 115336), (650, 110900), (1000, 72085), (1109, 65000), (1250, 57668), (1300, 55450), (1625, 44360), (2218, 32500), (2500, 28834), (2600, 27725), (3250, 22180), (4436, 16250), (5000, 14417), (5545, 13000), (6500, 11090), (8125, 8872)]