51728840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 123638400

約数和(自身を除く): 71909560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 590, 920, 953, 1180, 1357, 1906, 2360, 2714, 3812, 4765, 5428, 6785, 7624, 9530, 10856, 13570, 19060, 21919, 27140, 38120, 43838, 54280, 56227, 87676, 109595, 112454, 175352, 219190, 224908, 281135, 438380, 449816, 562270, 876760, 1124540, 1293221, 2249080, 2586442, 5172884, 6466105, 10345768, 12932210, 25864420, 51728840]

約数ペア:

[(1, 51728840), (2, 25864420), (4, 12932210), (5, 10345768), (8, 6466105), (10, 5172884), (20, 2586442), (23, 2249080), (40, 1293221), (46, 1124540), (59, 876760), (92, 562270), (115, 449816), (118, 438380), (184, 281135), (230, 224908), (236, 219190), (295, 175352), (460, 112454), (472, 109595), (590, 87676), (920, 56227), (953, 54280), (1180, 43838), (1357, 38120), (1906, 27140), (2360, 21919), (2714, 19060), (3812, 13570), (4765, 10856), (5428, 9530), (6785, 7624)]