40494320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26641}}^1$

素因数の和:26673

約数の個数: 40

約数和(自身を含む): 99108240

約数和(自身を除く): 58613920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26641, 53282, 106564, 133205, 213128, 266410, 426256, 506179, 532820, 1012358, 1065640, 2024716, 2131280, 2530895, 4049432, 5061790, 8098864, 10123580, 20247160, 40494320]

約数ペア:

[(1, 40494320), (2, 20247160), (4, 10123580), (5, 8098864), (8, 5061790), (10, 4049432), (16, 2530895), (19, 2131280), (20, 2024716), (38, 1065640), (40, 1012358), (76, 532820), (80, 506179), (95, 426256), (152, 266410), (190, 213128), (304, 133205), (380, 106564), (760, 53282), (1520, 26641)]