79138960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16217}}^1$

素因数の和:16291

約数の個数: 40

約数和(自身を含む): 187025976

約数和(自身を除く): 107887016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 16217, 32434, 64868, 81085, 129736, 162170, 259472, 324340, 648680, 989237, 1297360, 1978474, 3956948, 4946185, 7913896, 9892370, 15827792, 19784740, 39569480, 79138960]

約数ペア:

[(1, 79138960), (2, 39569480), (4, 19784740), (5, 15827792), (8, 9892370), (10, 7913896), (16, 4946185), (20, 3956948), (40, 1978474), (61, 1297360), (80, 989237), (122, 648680), (244, 324340), (305, 259472), (488, 162170), (610, 129736), (976, 81085), (1220, 64868), (2440, 32434), (4880, 16217)]