49235440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19897

約数の個数: 40

約数和(自身を含む): 118171008

約数和(自身を除く): 68935568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19853, 39706, 79412, 99265, 158824, 198530, 317648, 397060, 615443, 794120, 1230886, 1588240, 2461772, 3077215, 4923544, 6154430, 9847088, 12308860, 24617720, 49235440]

約数ペア:

[(1, 49235440), (2, 24617720), (4, 12308860), (5, 9847088), (8, 6154430), (10, 4923544), (16, 3077215), (20, 2461772), (31, 1588240), (40, 1230886), (62, 794120), (80, 615443), (124, 397060), (155, 317648), (248, 198530), (310, 158824), (496, 99265), (620, 79412), (1240, 39706), (2480, 19853)]