64923940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2663}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 145006848

約数和(自身を除く): 80082908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 2663, 4876, 5326, 6095, 10652, 12190, 13315, 24380, 26630, 53260, 61249, 122498, 141139, 244996, 282278, 306245, 564556, 612490, 705695, 1224980, 1411390, 2822780, 3246197, 6492394, 12984788, 16230985, 32461970, 64923940]

約数ペア:

[(1, 64923940), (2, 32461970), (4, 16230985), (5, 12984788), (10, 6492394), (20, 3246197), (23, 2822780), (46, 1411390), (53, 1224980), (92, 705695), (106, 612490), (115, 564556), (212, 306245), (230, 282278), (265, 244996), (460, 141139), (530, 122498), (1060, 61249), (1219, 53260), (2438, 26630), (2663, 24380), (4876, 13315), (5326, 12190), (6095, 10652)]