1025640005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{10429}}^1$

素因数の和:10553

約数の個数: 32

約数和(自身を含む): 1419314400

約数和(自身を除く): 393674395

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 1105, 1157, 1513, 5785, 7565, 10429, 19669, 52145, 98345, 135577, 177293, 677885, 886465, 928181, 2304809, 4640905, 11524045, 12066353, 15779077, 60331765, 78895385, 205128001, 1025640005]

約数ペア:

[(1, 1025640005), (5, 205128001), (13, 78895385), (17, 60331765), (65, 15779077), (85, 12066353), (89, 11524045), (221, 4640905), (445, 2304809), (1105, 928181), (1157, 886465), (1513, 677885), (5785, 177293), (7565, 135577), (10429, 98345), (19669, 52145)]