636015920

素因数分解:

$2^4\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{6427}}^1$

素因数の和:7677

約数の個数: 40

約数和(自身を含む): 1480162704

約数和(自身を除く): 844146784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1237, 2474, 4948, 6185, 6427, 9896, 12370, 12854, 19792, 24740, 25708, 32135, 49480, 51416, 64270, 98960, 102832, 128540, 257080, 514160, 7950199, 15900398, 31800796, 39750995, 63601592, 79501990, 127203184, 159003980, 318007960, 636015920]

約数ペア:

[(1, 636015920), (2, 318007960), (4, 159003980), (5, 127203184), (8, 79501990), (10, 63601592), (16, 39750995), (20, 31800796), (40, 15900398), (80, 7950199), (1237, 514160), (2474, 257080), (4948, 128540), (6185, 102832), (6427, 98960), (9896, 64270), (12370, 51416), (12854, 49480), (19792, 32135), (24740, 25708)]