126915440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83497}}^1$

素因数の和:83529

約数の個数: 40

約数和(自身を含む): 310612560

約数和(自身を除く): 183697120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 83497, 166994, 333988, 417485, 667976, 834970, 1335952, 1586443, 1669940, 3172886, 3339880, 6345772, 6679760, 7932215, 12691544, 15864430, 25383088, 31728860, 63457720, 126915440]

約数ペア:

[(1, 126915440), (2, 63457720), (4, 31728860), (5, 25383088), (8, 15864430), (10, 12691544), (16, 7932215), (19, 6679760), (20, 6345772), (38, 3339880), (40, 3172886), (76, 1669940), (80, 1586443), (95, 1335952), (152, 834970), (190, 667976), (304, 417485), (380, 333988), (760, 166994), (1520, 83497)]