51639900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13241}}^1$

素因数の和:13271

約数の個数: 72

約数和(自身を含む): 160916784

約数和(自身を除く): 109276884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 13241, 26482, 39723, 52964, 66205, 79446, 132410, 158892, 172133, 198615, 264820, 331025, 344266, 397230, 516399, 662050, 688532, 794460, 860665, 993075, 1032798, 1324100, 1721330, 1986150, 2065596, 2581995, 3442660, 3972300, 4303325, 5163990, 8606650, 10327980, 12909975, 17213300, 25819950, 51639900]

約数ペア:

[(1, 51639900), (2, 25819950), (3, 17213300), (4, 12909975), (5, 10327980), (6, 8606650), (10, 5163990), (12, 4303325), (13, 3972300), (15, 3442660), (20, 2581995), (25, 2065596), (26, 1986150), (30, 1721330), (39, 1324100), (50, 1032798), (52, 993075), (60, 860665), (65, 794460), (75, 688532), (78, 662050), (100, 516399), (130, 397230), (150, 344266), (156, 331025), (195, 264820), (260, 198615), (300, 172133), (325, 158892), (390, 132410), (650, 79446), (780, 66205), (975, 52964), (1300, 39723), (1950, 26482), (3900, 13241)]