87463840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28771}}^1$

素因数の和:28805

約数の個数: 48

約数和(自身を含む): 217516320

約数和(自身を除く): 130052480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28771, 57542, 115084, 143855, 230168, 287710, 460336, 546649, 575420, 920672, 1093298, 1150840, 2186596, 2301680, 2733245, 4373192, 4603360, 5466490, 8746384, 10932980, 17492768, 21865960, 43731920, 87463840]

約数ペア:

[(1, 87463840), (2, 43731920), (4, 21865960), (5, 17492768), (8, 10932980), (10, 8746384), (16, 5466490), (19, 4603360), (20, 4373192), (32, 2733245), (38, 2301680), (40, 2186596), (76, 1150840), (80, 1093298), (95, 920672), (152, 575420), (160, 546649), (190, 460336), (304, 287710), (380, 230168), (608, 143855), (760, 115084), (1520, 57542), (3040, 28771)]