25636940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1229}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 61992000

約数和(自身を除く): 36355060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1229, 1490, 2086, 2458, 2980, 4172, 4916, 5215, 6145, 8603, 10430, 12290, 17206, 20860, 24580, 34412, 43015, 86030, 172060, 183121, 366242, 732484, 915605, 1281847, 1831210, 2563694, 3662420, 5127388, 6409235, 12818470, 25636940]

約数ペア:

[(1, 25636940), (2, 12818470), (4, 6409235), (5, 5127388), (7, 3662420), (10, 2563694), (14, 1831210), (20, 1281847), (28, 915605), (35, 732484), (70, 366242), (140, 183121), (149, 172060), (298, 86030), (596, 43015), (745, 34412), (1043, 24580), (1229, 20860), (1490, 17206), (2086, 12290), (2458, 10430), (2980, 8603), (4172, 6145), (4916, 5215)]