80555984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 159870720

約数和(自身を除く): 79314736

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 202, 316, 404, 631, 632, 808, 1262, 1264, 1616, 2524, 5048, 7979, 10096, 15958, 31916, 49849, 63731, 63832, 99698, 127462, 127664, 199396, 254924, 398792, 509848, 797584, 1019696, 5034749, 10069498, 20138996, 40277992, 80555984]

約数ペア:

[(1, 80555984), (2, 40277992), (4, 20138996), (8, 10069498), (16, 5034749), (79, 1019696), (101, 797584), (158, 509848), (202, 398792), (316, 254924), (404, 199396), (631, 127664), (632, 127462), (808, 99698), (1262, 63832), (1264, 63731), (1616, 49849), (2524, 31916), (5048, 15958), (7979, 10096)]