26638220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 64411200

約数和(自身を除く): 37772980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1277, 1490, 2086, 2554, 2980, 4172, 5108, 5215, 6385, 8939, 10430, 12770, 17878, 20860, 25540, 35756, 44695, 89390, 178780, 190273, 380546, 761092, 951365, 1331911, 1902730, 2663822, 3805460, 5327644, 6659555, 13319110, 26638220]

約数ペア:

[(1, 26638220), (2, 13319110), (4, 6659555), (5, 5327644), (7, 3805460), (10, 2663822), (14, 1902730), (20, 1331911), (28, 951365), (35, 761092), (70, 380546), (140, 190273), (149, 178780), (298, 89390), (596, 44695), (745, 35756), (1043, 25540), (1277, 20860), (1490, 17878), (2086, 12770), (2554, 10430), (2980, 8939), (4172, 6385), (5108, 5215)]