64256140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4663}}^1$

素因数の和:4738

約数の個数: 48

約数和(自身を含む): 148091328

約数和(自身を除く): 83835188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4663, 6890, 9326, 13780, 18652, 23315, 46630, 60619, 93260, 121238, 242476, 247139, 303095, 494278, 606190, 988556, 1212380, 1235695, 2471390, 3212807, 4942780, 6425614, 12851228, 16064035, 32128070, 64256140]

約数ペア:

[(1, 64256140), (2, 32128070), (4, 16064035), (5, 12851228), (10, 6425614), (13, 4942780), (20, 3212807), (26, 2471390), (52, 1235695), (53, 1212380), (65, 988556), (106, 606190), (130, 494278), (212, 303095), (260, 247139), (265, 242476), (530, 121238), (689, 93260), (1060, 60619), (1378, 46630), (2756, 23315), (3445, 18652), (4663, 13780), (6890, 9326)]