2018950480

素因数分解:

$2^4\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{8821}}^1$

素因数の和:11695

約数の個数: 40

約数和(自身を含む): 4696232904

約数和(自身を除く): 2677282424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2861, 5722, 8821, 11444, 14305, 17642, 22888, 28610, 35284, 44105, 45776, 57220, 70568, 88210, 114440, 141136, 176420, 228880, 352840, 705680, 25236881, 50473762, 100947524, 126184405, 201895048, 252368810, 403790096, 504737620, 1009475240, 2018950480]

約数ペア:

[(1, 2018950480), (2, 1009475240), (4, 504737620), (5, 403790096), (8, 252368810), (10, 201895048), (16, 126184405), (20, 100947524), (40, 50473762), (80, 25236881), (2861, 705680), (5722, 352840), (8821, 228880), (11444, 176420), (14305, 141136), (17642, 114440), (22888, 88210), (28610, 70568), (35284, 57220), (44105, 45776)]