64809940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6737}}^1$

素因数の和:6796

約数の個数: 48

約数和(自身を含む): 150553872

約数和(自身を除く): 85743932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 6737, 9620, 13474, 26948, 33685, 67370, 87581, 134740, 175162, 249269, 350324, 437905, 498538, 875810, 997076, 1246345, 1751620, 2492690, 3240497, 4985380, 6480994, 12961988, 16202485, 32404970, 64809940]

約数ペア:

[(1, 64809940), (2, 32404970), (4, 16202485), (5, 12961988), (10, 6480994), (13, 4985380), (20, 3240497), (26, 2492690), (37, 1751620), (52, 1246345), (65, 997076), (74, 875810), (130, 498538), (148, 437905), (185, 350324), (260, 249269), (370, 175162), (481, 134740), (740, 87581), (962, 67370), (1924, 33685), (2405, 26948), (4810, 13474), (6737, 9620)]