42331280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2659}}^1$

素因数の和:2871

約数の個数: 40

約数和(自身を含む): 98952000

約数和(自身を除く): 56620720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 2659, 3184, 3980, 5318, 7960, 10636, 13295, 15920, 21272, 26590, 42544, 53180, 106360, 212720, 529141, 1058282, 2116564, 2645705, 4233128, 5291410, 8466256, 10582820, 21165640, 42331280]

約数ペア:

[(1, 42331280), (2, 21165640), (4, 10582820), (5, 8466256), (8, 5291410), (10, 4233128), (16, 2645705), (20, 2116564), (40, 1058282), (80, 529141), (199, 212720), (398, 106360), (796, 53180), (995, 42544), (1592, 26590), (1990, 21272), (2659, 15920), (3184, 13295), (3980, 10636), (5318, 7960)]