86565640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9973}}^1$

素因数の和:10022

約数の個数: 64

約数和(自身を含む): 229800960

約数和(自身を除く): 143235320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9973, 19946, 39892, 49865, 69811, 79784, 99730, 139622, 199460, 279244, 309163, 349055, 398920, 558488, 618326, 698110, 1236652, 1396220, 1545815, 2164141, 2473304, 2792440, 3091630, 4328282, 6183260, 8656564, 10820705, 12366520, 17313128, 21641410, 43282820, 86565640]

約数ペア:

[(1, 86565640), (2, 43282820), (4, 21641410), (5, 17313128), (7, 12366520), (8, 10820705), (10, 8656564), (14, 6183260), (20, 4328282), (28, 3091630), (31, 2792440), (35, 2473304), (40, 2164141), (56, 1545815), (62, 1396220), (70, 1236652), (124, 698110), (140, 618326), (155, 558488), (217, 398920), (248, 349055), (280, 309163), (310, 279244), (434, 199460), (620, 139622), (868, 99730), (1085, 79784), (1240, 69811), (1736, 49865), (2170, 39892), (4340, 19946), (8680, 9973)]