81743972000

素因数分解:

$2^5\times 5^3\times {\mathrm{20435993}}^1$

素因数の和:20436018

約数の個数: 48

約数和(自身を含む): 200844949032

約数和(自身を除く): 119100977032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 20435993, 40871986, 81743972, 102179965, 163487944, 204359930, 326975888, 408719860, 510899825, 653951776, 817439720, 1021799650, 1634879440, 2043599300, 2554499125, 3269758880, 4087198600, 5108998250, 8174397200, 10217996500, 16348794400, 20435993000, 40871986000, 81743972000]

約数ペア:

[(1, 81743972000), (2, 40871986000), (4, 20435993000), (5, 16348794400), (8, 10217996500), (10, 8174397200), (16, 5108998250), (20, 4087198600), (25, 3269758880), (32, 2554499125), (40, 2043599300), (50, 1634879440), (80, 1021799650), (100, 817439720), (125, 653951776), (160, 510899825), (200, 408719860), (250, 326975888), (400, 204359930), (500, 163487944), (800, 102179965), (1000, 81743972), (2000, 40871986), (4000, 20435993)]