40502120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 95385600

約数和(自身を除く): 54883480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 367, 445, 620, 712, 734, 890, 1240, 1468, 1780, 1835, 2759, 2936, 3560, 3670, 5518, 7340, 11036, 11377, 13795, 14680, 22072, 22754, 27590, 32663, 45508, 55180, 56885, 65326, 91016, 110360, 113770, 130652, 163315, 227540, 261304, 326630, 455080, 653260, 1012553, 1306520, 2025106, 4050212, 5062765, 8100424, 10125530, 20251060, 40502120]

約数ペア:

[(1, 40502120), (2, 20251060), (4, 10125530), (5, 8100424), (8, 5062765), (10, 4050212), (20, 2025106), (31, 1306520), (40, 1012553), (62, 653260), (89, 455080), (124, 326630), (155, 261304), (178, 227540), (248, 163315), (310, 130652), (356, 113770), (367, 110360), (445, 91016), (620, 65326), (712, 56885), (734, 55180), (890, 45508), (1240, 32663), (1468, 27590), (1780, 22754), (1835, 22072), (2759, 14680), (2936, 13795), (3560, 11377), (3670, 11036), (5518, 7340)]