202111960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{123239}}^1$

素因数の和:123291

約数の個数: 32

約数和(自身を含む): 465847200

約数和(自身を除く): 263735240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 123239, 246478, 492956, 616195, 985912, 1232390, 2464780, 4929560, 5052799, 10105598, 20211196, 25263995, 40422392, 50527990, 101055980, 202111960]

約数ペア:

[(1, 202111960), (2, 101055980), (4, 50527990), (5, 40422392), (8, 25263995), (10, 20211196), (20, 10105598), (40, 5052799), (41, 4929560), (82, 2464780), (164, 1232390), (205, 985912), (328, 616195), (410, 492956), (820, 246478), (1640, 123239)]