25717020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61231}}^1$

素因数の和:61250

約数の個数: 48

約数和(自身を含む): 82295808

約数和(自身を除く): 56578788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61231, 122462, 183693, 244924, 306155, 367386, 428617, 612310, 734772, 857234, 918465, 1224620, 1285851, 1714468, 1836930, 2143085, 2571702, 3673860, 4286170, 5143404, 6429255, 8572340, 12858510, 25717020]

約数ペア:

[(1, 25717020), (2, 12858510), (3, 8572340), (4, 6429255), (5, 5143404), (6, 4286170), (7, 3673860), (10, 2571702), (12, 2143085), (14, 1836930), (15, 1714468), (20, 1285851), (21, 1224620), (28, 918465), (30, 857234), (35, 734772), (42, 612310), (60, 428617), (70, 367386), (84, 306155), (105, 244924), (140, 183693), (210, 122462), (420, 61231)]