83487140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20012

約数の個数: 48

約数和(自身を含む): 201337920

約数和(自身を除く): 117850780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19973, 39946, 79892, 99865, 199730, 219703, 379487, 399460, 439406, 758974, 878812, 1098515, 1517948, 1897435, 2197030, 3794870, 4174357, 4394060, 7589740, 8348714, 16697428, 20871785, 41743570, 83487140]

約数ペア:

[(1, 83487140), (2, 41743570), (4, 20871785), (5, 16697428), (10, 8348714), (11, 7589740), (19, 4394060), (20, 4174357), (22, 3794870), (38, 2197030), (44, 1897435), (55, 1517948), (76, 1098515), (95, 878812), (110, 758974), (190, 439406), (209, 399460), (220, 379487), (380, 219703), (418, 199730), (836, 99865), (1045, 79892), (2090, 39946), (4180, 19973)]