86561680

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1657}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 201685752

約数和(自身を除く): 115124072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 1657, 2612, 3265, 3314, 5224, 6530, 6628, 8285, 10448, 13060, 13256, 16570, 26120, 26512, 33140, 52240, 66280, 132560, 1082021, 2164042, 4328084, 5410105, 8656168, 10820210, 17312336, 21640420, 43280840, 86561680]

約数ペア:

[(1, 86561680), (2, 43280840), (4, 21640420), (5, 17312336), (8, 10820210), (10, 8656168), (16, 5410105), (20, 4328084), (40, 2164042), (80, 1082021), (653, 132560), (1306, 66280), (1657, 52240), (2612, 33140), (3265, 26512), (3314, 26120), (5224, 16570), (6530, 13256), (6628, 13060), (8285, 10448)]