21551275160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{223283}}^1$

素因数の和:223440

約数の個数: 64

約数和(自身を含む): 51444633600

約数和(自身を除く): 29893358440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 4826, 5080, 9652, 12065, 19304, 24130, 48260, 96520, 223283, 446566, 893132, 1116415, 1786264, 2232830, 4242377, 4465660, 8484754, 8931320, 16969508, 21211885, 28356941, 33939016, 42423770, 56713882, 84847540, 113427764, 141784705, 169695080, 226855528, 283569410, 538781879, 567138820, 1077563758, 1134277640, 2155127516, 2693909395, 4310255032, 5387818790, 10775637580, 21551275160]

約数ペア:

[(1, 21551275160), (2, 10775637580), (4, 5387818790), (5, 4310255032), (8, 2693909395), (10, 2155127516), (19, 1134277640), (20, 1077563758), (38, 567138820), (40, 538781879), (76, 283569410), (95, 226855528), (127, 169695080), (152, 141784705), (190, 113427764), (254, 84847540), (380, 56713882), (508, 42423770), (635, 33939016), (760, 28356941), (1016, 21211885), (1270, 16969508), (2413, 8931320), (2540, 8484754), (4826, 4465660), (5080, 4242377), (9652, 2232830), (12065, 1786264), (19304, 1116415), (24130, 893132), (48260, 446566), (96520, 223283)]