131281000

素因数分解:

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

素因数の和:2551

約数の個数: 64

約数和(自身を含む): 313120080

約数和(自身を除く): 181839080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 125, 200, 212, 250, 265, 424, 500, 530, 1000, 1060, 1325, 2120, 2477, 2650, 4954, 5300, 6625, 9908, 10600, 12385, 13250, 19816, 24770, 26500, 49540, 53000, 61925, 99080, 123850, 131281, 247700, 262562, 309625, 495400, 525124, 619250, 656405, 1050248, 1238500, 1312810, 2477000, 2625620, 3282025, 5251240, 6564050, 13128100, 16410125, 26256200, 32820250, 65640500, 131281000]

約数ペア:

[(1, 131281000), (2, 65640500), (4, 32820250), (5, 26256200), (8, 16410125), (10, 13128100), (20, 6564050), (25, 5251240), (40, 3282025), (50, 2625620), (53, 2477000), (100, 1312810), (106, 1238500), (125, 1050248), (200, 656405), (212, 619250), (250, 525124), (265, 495400), (424, 309625), (500, 262562), (530, 247700), (1000, 131281), (1060, 123850), (1325, 99080), (2120, 61925), (2477, 53000), (2650, 49540), (4954, 26500), (5300, 24770), (6625, 19816), (9908, 13250), (10600, 12385)]