3960560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 9511296

約数和(自身を除く): 5550736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1597, 2480, 3194, 6388, 7985, 12776, 15970, 25552, 31940, 49507, 63880, 99014, 127760, 198028, 247535, 396056, 495070, 792112, 990140, 1980280, 3960560]

約数ペア:

[(1, 3960560), (2, 1980280), (4, 990140), (5, 792112), (8, 495070), (10, 396056), (16, 247535), (20, 198028), (31, 127760), (40, 99014), (62, 63880), (80, 49507), (124, 31940), (155, 25552), (248, 15970), (310, 12776), (496, 7985), (620, 6388), (1240, 3194), (1597, 2480)]