81992260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3593}}^1$

素因数の和:3772

約数の個数: 48

約数和(自身を含む): 198043776

約数和(自身を除く): 116051516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3593, 4564, 5705, 7186, 11410, 14372, 17965, 22820, 25151, 35930, 50302, 71860, 100604, 125755, 251510, 503020, 585659, 1171318, 2342636, 2928295, 4099613, 5856590, 8199226, 11713180, 16398452, 20498065, 40996130, 81992260]

約数ペア:

[(1, 81992260), (2, 40996130), (4, 20498065), (5, 16398452), (7, 11713180), (10, 8199226), (14, 5856590), (20, 4099613), (28, 2928295), (35, 2342636), (70, 1171318), (140, 585659), (163, 503020), (326, 251510), (652, 125755), (815, 100604), (1141, 71860), (1630, 50302), (2282, 35930), (3260, 25151), (3593, 22820), (4564, 17965), (5705, 14372), (7186, 11410)]