2019600200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{165541}}^1$

素因数の和:165618

約数の個数: 48

約数和(自身を含む): 4772575860

約数和(自身を除く): 2752975660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 165541, 331082, 662164, 827705, 1324328, 1655410, 3310820, 4138525, 6621640, 8277050, 10098001, 16554100, 20196002, 33108200, 40392004, 50490005, 80784008, 100980010, 201960020, 252450025, 403920040, 504900050, 1009800100, 2019600200]

約数ペア:

[(1, 2019600200), (2, 1009800100), (4, 504900050), (5, 403920040), (8, 252450025), (10, 201960020), (20, 100980010), (25, 80784008), (40, 50490005), (50, 40392004), (61, 33108200), (100, 20196002), (122, 16554100), (200, 10098001), (244, 8277050), (305, 6621640), (488, 4138525), (610, 3310820), (1220, 1655410), (1525, 1324328), (2440, 827705), (3050, 662164), (6100, 331082), (12200, 165541)]