25140420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7351}}^1$

素因数の和:7385

約数の個数: 72

約数和(自身を含む): 80283840

約数和(自身を除く): 55143420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7351, 14702, 22053, 29404, 36755, 44106, 66159, 73510, 88212, 110265, 132318, 139669, 147020, 220530, 264636, 279338, 330795, 419007, 441060, 558676, 661590, 698345, 838014, 1257021, 1323180, 1396690, 1676028, 2095035, 2514042, 2793380, 4190070, 5028084, 6285105, 8380140, 12570210, 25140420]

約数ペア:

[(1, 25140420), (2, 12570210), (3, 8380140), (4, 6285105), (5, 5028084), (6, 4190070), (9, 2793380), (10, 2514042), (12, 2095035), (15, 1676028), (18, 1396690), (19, 1323180), (20, 1257021), (30, 838014), (36, 698345), (38, 661590), (45, 558676), (57, 441060), (60, 419007), (76, 330795), (90, 279338), (95, 264636), (114, 220530), (171, 147020), (180, 139669), (190, 132318), (228, 110265), (285, 88212), (342, 73510), (380, 66159), (570, 44106), (684, 36755), (855, 29404), (1140, 22053), (1710, 14702), (3420, 7351)]