87813700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2237

約数の個数: 72

約数和(自身を含む): 211930880

約数和(自身を除く): 124117180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 2179, 3100, 4030, 4358, 8060, 8716, 10075, 10895, 20150, 21790, 28327, 40300, 43580, 54475, 56654, 67549, 108950, 113308, 135098, 141635, 217900, 270196, 283270, 337745, 566540, 675490, 708175, 878137, 1350980, 1416350, 1688725, 1756274, 2832700, 3377450, 3512548, 4390685, 6754900, 8781370, 17562740, 21953425, 43906850, 87813700]

約数ペア:

[(1, 87813700), (2, 43906850), (4, 21953425), (5, 17562740), (10, 8781370), (13, 6754900), (20, 4390685), (25, 3512548), (26, 3377450), (31, 2832700), (50, 1756274), (52, 1688725), (62, 1416350), (65, 1350980), (100, 878137), (124, 708175), (130, 675490), (155, 566540), (260, 337745), (310, 283270), (325, 270196), (403, 217900), (620, 141635), (650, 135098), (775, 113308), (806, 108950), (1300, 67549), (1550, 56654), (1612, 54475), (2015, 43580), (2179, 40300), (3100, 28327), (4030, 21790), (4358, 20150), (8060, 10895), (8716, 10075)]