64180000

素因数分解:

$2^5\times 5^4\times {\mathrm{3209}}^1$

素因数の和:3239

約数の個数: 60

約数和(自身を含む): 157941630

約数和(自身を除く): 93761630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3209, 4000, 5000, 6418, 10000, 12836, 16045, 20000, 25672, 32090, 51344, 64180, 80225, 102688, 128360, 160450, 256720, 320900, 401125, 513440, 641800, 802250, 1283600, 1604500, 2005625, 2567200, 3209000, 4011250, 6418000, 8022500, 12836000, 16045000, 32090000, 64180000]

約数ペア:

[(1, 64180000), (2, 32090000), (4, 16045000), (5, 12836000), (8, 8022500), (10, 6418000), (16, 4011250), (20, 3209000), (25, 2567200), (32, 2005625), (40, 1604500), (50, 1283600), (80, 802250), (100, 641800), (125, 513440), (160, 401125), (200, 320900), (250, 256720), (400, 160450), (500, 128360), (625, 102688), (800, 80225), (1000, 64180), (1250, 51344), (2000, 32090), (2500, 25672), (3209, 20000), (4000, 16045), (5000, 12836), (6418, 10000)]