40405380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15661}}^1$

素因数の和:15716

約数の個数: 48

約数和(自身を含む): 115773504

約数和(自身を除く): 75368124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 15661, 31322, 46983, 62644, 78305, 93966, 156610, 187932, 234915, 313220, 469830, 673423, 939660, 1346846, 2020269, 2693692, 3367115, 4040538, 6734230, 8081076, 10101345, 13468460, 20202690, 40405380]

約数ペア:

[(1, 40405380), (2, 20202690), (3, 13468460), (4, 10101345), (5, 8081076), (6, 6734230), (10, 4040538), (12, 3367115), (15, 2693692), (20, 2020269), (30, 1346846), (43, 939660), (60, 673423), (86, 469830), (129, 313220), (172, 234915), (215, 187932), (258, 156610), (430, 93966), (516, 78305), (645, 62644), (860, 46983), (1290, 31322), (2580, 15661)]