25052005580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{51229}}^1$

素因数の和:51751

約数の個数: 72

約数和(自身を含む): 61322310000

約数和(自身を除く): 36270304420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 499, 980, 998, 1996, 2495, 3493, 4990, 6986, 9980, 13972, 17465, 24451, 34930, 48902, 51229, 69860, 97804, 102458, 122255, 204916, 244510, 256145, 358603, 489020, 512290, 717206, 1024580, 1434412, 1793015, 2510221, 3586030, 5020442, 7172060, 10040884, 12551105, 25102210, 25563271, 50204420, 51126542, 102253084, 127816355, 178942897, 255632710, 357885794, 511265420, 715771588, 894714485, 1252600279, 1789428970, 2505200558, 3578857940, 5010401116, 6263001395, 12526002790, 25052005580]

約数ペア:

[(1, 25052005580), (2, 12526002790), (4, 6263001395), (5, 5010401116), (7, 3578857940), (10, 2505200558), (14, 1789428970), (20, 1252600279), (28, 894714485), (35, 715771588), (49, 511265420), (70, 357885794), (98, 255632710), (140, 178942897), (196, 127816355), (245, 102253084), (490, 51126542), (499, 50204420), (980, 25563271), (998, 25102210), (1996, 12551105), (2495, 10040884), (3493, 7172060), (4990, 5020442), (6986, 3586030), (9980, 2510221), (13972, 1793015), (17465, 1434412), (24451, 1024580), (34930, 717206), (48902, 512290), (51229, 489020), (69860, 358603), (97804, 256145), (102458, 244510), (122255, 204916)]