31875440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12853}}^1$

素因数の和:12897

約数の個数: 40

約数和(自身を含む): 76507008

約数和(自身を除く): 44631568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12853, 25706, 51412, 64265, 102824, 128530, 205648, 257060, 398443, 514120, 796886, 1028240, 1593772, 1992215, 3187544, 3984430, 6375088, 7968860, 15937720, 31875440]

約数ペア:

[(1, 31875440), (2, 15937720), (4, 7968860), (5, 6375088), (8, 3984430), (10, 3187544), (16, 1992215), (20, 1593772), (31, 1028240), (40, 796886), (62, 514120), (80, 398443), (124, 257060), (155, 205648), (248, 128530), (310, 102824), (496, 64265), (620, 51412), (1240, 25706), (2480, 12853)]