18650480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8039}}^1$

素因数の和:8081

約数の個数: 40

約数和(自身を含む): 44863200

約数和(自身を除く): 26212720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8039, 16078, 32156, 40195, 64312, 80390, 128624, 160780, 233131, 321560, 466262, 643120, 932524, 1165655, 1865048, 2331310, 3730096, 4662620, 9325240, 18650480]

約数ペア:

[(1, 18650480), (2, 9325240), (4, 4662620), (5, 3730096), (8, 2331310), (10, 1865048), (16, 1165655), (20, 932524), (29, 643120), (40, 466262), (58, 321560), (80, 233131), (116, 160780), (145, 128624), (232, 80390), (290, 64312), (464, 40195), (580, 32156), (1160, 16078), (2320, 8039)]