40398256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7861

約数の個数: 40

約数和(自身を含む): 87248880

約数和(自身を除く): 46850624

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 7817, 15634, 31268, 62536, 125072, 132889, 148523, 265778, 297046, 531556, 594092, 1063112, 1188184, 2126224, 2376368, 2524891, 5049782, 10099564, 20199128, 40398256]

約数ペア:

[(1, 40398256), (2, 20199128), (4, 10099564), (8, 5049782), (16, 2524891), (17, 2376368), (19, 2126224), (34, 1188184), (38, 1063112), (68, 594092), (76, 531556), (136, 297046), (152, 265778), (272, 148523), (304, 132889), (323, 125072), (646, 62536), (1292, 31268), (2584, 15634), (5168, 7817)]