80681200

素因数分解:

$2^4\times 5^2\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:922

約数の個数: 60

約数和(自身を含む): 194706288

約数和(自身を除く): 114025088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 401, 503, 802, 1006, 1604, 2005, 2012, 2515, 3208, 4010, 4024, 5030, 6416, 8020, 8048, 10025, 10060, 12575, 16040, 20050, 20120, 25150, 32080, 40100, 40240, 50300, 80200, 100600, 160400, 201200, 201703, 403406, 806812, 1008515, 1613624, 2017030, 3227248, 4034060, 5042575, 8068120, 10085150, 16136240, 20170300, 40340600, 80681200]

約数ペア:

[(1, 80681200), (2, 40340600), (4, 20170300), (5, 16136240), (8, 10085150), (10, 8068120), (16, 5042575), (20, 4034060), (25, 3227248), (40, 2017030), (50, 1613624), (80, 1008515), (100, 806812), (200, 403406), (400, 201703), (401, 201200), (503, 160400), (802, 100600), (1006, 80200), (1604, 50300), (2005, 40240), (2012, 40100), (2515, 32080), (3208, 25150), (4010, 20120), (4024, 20050), (5030, 16040), (6416, 12575), (8020, 10060), (8048, 10025)]