775840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 1979208

約数和(自身を除く): 1203368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 373, 416, 520, 746, 1040, 1492, 1865, 2080, 2984, 3730, 4849, 5968, 7460, 9698, 11936, 14920, 19396, 24245, 29840, 38792, 48490, 59680, 77584, 96980, 155168, 193960, 387920, 775840]

約数ペア:

[(1, 775840), (2, 387920), (4, 193960), (5, 155168), (8, 96980), (10, 77584), (13, 59680), (16, 48490), (20, 38792), (26, 29840), (32, 24245), (40, 19396), (52, 14920), (65, 11936), (80, 9698), (104, 7460), (130, 5968), (160, 4849), (208, 3730), (260, 2984), (373, 2080), (416, 1865), (520, 1492), (746, 1040)]