64534900

素因数分解:

$2^2\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1283}}^1$

素因数の和:1800

約数の個数: 36

約数和(自身を含む): 140428512

約数和(自身を除く): 75893612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 503, 1006, 1283, 2012, 2515, 2566, 5030, 5132, 6415, 10060, 12575, 12830, 25150, 25660, 32075, 50300, 64150, 128300, 645349, 1290698, 2581396, 3226745, 6453490, 12906980, 16133725, 32267450, 64534900]

約数ペア:

[(1, 64534900), (2, 32267450), (4, 16133725), (5, 12906980), (10, 6453490), (20, 3226745), (25, 2581396), (50, 1290698), (100, 645349), (503, 128300), (1006, 64150), (1283, 50300), (2012, 32075), (2515, 25660), (2566, 25150), (5030, 12830), (5132, 12575), (6415, 10060)]