51391060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1109}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 123822720

約数和(自身を除く): 72431660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1109, 1324, 1655, 2218, 2317, 3310, 4436, 4634, 5545, 6620, 7763, 9268, 11090, 11585, 15526, 22180, 23170, 31052, 38815, 46340, 77630, 155260, 367079, 734158, 1468316, 1835395, 2569553, 3670790, 5139106, 7341580, 10278212, 12847765, 25695530, 51391060]

約数ペア:

[(1, 51391060), (2, 25695530), (4, 12847765), (5, 10278212), (7, 7341580), (10, 5139106), (14, 3670790), (20, 2569553), (28, 1835395), (35, 1468316), (70, 734158), (140, 367079), (331, 155260), (662, 77630), (1109, 46340), (1324, 38815), (1655, 31052), (2218, 23170), (2317, 22180), (3310, 15526), (4436, 11585), (4634, 11090), (5545, 9268), (6620, 7763)]