12996016420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{24413}}^1$

素因数の和:25084

約数の個数: 48

約数和(自身を含む): 27972584640

約数和(自身を除く): 14976568220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 619, 860, 1238, 2476, 3095, 6190, 12380, 24413, 26617, 48826, 53234, 97652, 106468, 122065, 133085, 244130, 266170, 488260, 532340, 1049759, 2099518, 4199036, 5248795, 10497590, 15111647, 20995180, 30223294, 60446588, 75558235, 151116470, 302232940, 649800821, 1299601642, 2599203284, 3249004105, 6498008210, 12996016420]

約数ペア:

[(1, 12996016420), (2, 6498008210), (4, 3249004105), (5, 2599203284), (10, 1299601642), (20, 649800821), (43, 302232940), (86, 151116470), (172, 75558235), (215, 60446588), (430, 30223294), (619, 20995180), (860, 15111647), (1238, 10497590), (2476, 5248795), (3095, 4199036), (6190, 2099518), (12380, 1049759), (24413, 532340), (26617, 488260), (48826, 266170), (53234, 244130), (97652, 133085), (106468, 122065)]