40627160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 105019200

約数和(自身を除く): 64392040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 389, 746, 778, 1492, 1556, 1865, 1945, 2611, 2723, 2984, 3112, 3730, 3890, 5222, 5446, 7460, 7780, 10444, 10892, 13055, 13615, 14920, 15560, 20888, 21784, 26110, 27230, 52220, 54460, 104440, 108920, 145097, 290194, 580388, 725485, 1015679, 1160776, 1450970, 2031358, 2901940, 4062716, 5078395, 5803880, 8125432, 10156790, 20313580, 40627160]

約数ペア:

[(1, 40627160), (2, 20313580), (4, 10156790), (5, 8125432), (7, 5803880), (8, 5078395), (10, 4062716), (14, 2901940), (20, 2031358), (28, 1450970), (35, 1160776), (40, 1015679), (56, 725485), (70, 580388), (140, 290194), (280, 145097), (373, 108920), (389, 104440), (746, 54460), (778, 52220), (1492, 27230), (1556, 26110), (1865, 21784), (1945, 20888), (2611, 15560), (2723, 14920), (2984, 13615), (3112, 13055), (3730, 10892), (3890, 10444), (5222, 7780), (5446, 7460)]