65640500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2549

約数の個数: 48

約数和(自身を含む): 146122704

約数和(自身を除く): 80482204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 1060, 1325, 2477, 2650, 4954, 5300, 6625, 9908, 12385, 13250, 24770, 26500, 49540, 61925, 123850, 131281, 247700, 262562, 309625, 525124, 619250, 656405, 1238500, 1312810, 2625620, 3282025, 6564050, 13128100, 16410125, 32820250, 65640500]

約数ペア:

[(1, 65640500), (2, 32820250), (4, 16410125), (5, 13128100), (10, 6564050), (20, 3282025), (25, 2625620), (50, 1312810), (53, 1238500), (100, 656405), (106, 619250), (125, 525124), (212, 309625), (250, 262562), (265, 247700), (500, 131281), (530, 123850), (1060, 61925), (1325, 49540), (2477, 26500), (2650, 24770), (4954, 13250), (5300, 12385), (6625, 9908)]