87921700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^2\times {\mathrm{313}}^1$

素因数の和:433

約数の個数: 54

約数和(自身を含む): 195079094

約数和(自身を除く): 107157394

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 313, 530, 626, 1060, 1252, 1325, 1565, 2650, 2809, 3130, 5300, 5618, 6260, 7825, 11236, 14045, 15650, 16589, 28090, 31300, 33178, 56180, 66356, 70225, 82945, 140450, 165890, 280900, 331780, 414725, 829450, 879217, 1658900, 1758434, 3516868, 4396085, 8792170, 17584340, 21980425, 43960850, 87921700]

約数ペア:

[(1, 87921700), (2, 43960850), (4, 21980425), (5, 17584340), (10, 8792170), (20, 4396085), (25, 3516868), (50, 1758434), (53, 1658900), (100, 879217), (106, 829450), (212, 414725), (265, 331780), (313, 280900), (530, 165890), (626, 140450), (1060, 82945), (1252, 70225), (1325, 66356), (1565, 56180), (2650, 33178), (2809, 31300), (3130, 28090), (5300, 16589), (5618, 15650), (6260, 14045), (7825, 11236)]