31106140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9203}}^1$

素因数の和:9238

約数の個数: 36

約数和(自身を含む): 70741944

約数和(自身を除く): 39635804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9203, 18406, 36812, 46015, 92030, 119639, 184060, 239278, 478556, 598195, 1196390, 1555307, 2392780, 3110614, 6221228, 7776535, 15553070, 31106140]

約数ペア:

[(1, 31106140), (2, 15553070), (4, 7776535), (5, 6221228), (10, 3110614), (13, 2392780), (20, 1555307), (26, 1196390), (52, 598195), (65, 478556), (130, 239278), (169, 184060), (260, 119639), (338, 92030), (676, 46015), (845, 36812), (1690, 18406), (3380, 9203)]