10020781640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{280537}}^1$

素因数の和:280614

約数の個数: 64

約数和(自身を含む): 24238483200

約数和(自身を除く): 14217701560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17860, 35720, 280537, 561074, 1122148, 1402685, 2244296, 2805370, 5330203, 5610740, 10660406, 11221480, 13185239, 21320812, 26370478, 26651015, 42641624, 52740956, 53302030, 65926195, 105481912, 106604060, 131852390, 213208120, 250519541, 263704780, 501039082, 527409560, 1002078164, 1252597705, 2004156328, 2505195410, 5010390820, 10020781640]

約数ペア:

[(1, 10020781640), (2, 5010390820), (4, 2505195410), (5, 2004156328), (8, 1252597705), (10, 1002078164), (19, 527409560), (20, 501039082), (38, 263704780), (40, 250519541), (47, 213208120), (76, 131852390), (94, 106604060), (95, 105481912), (152, 65926195), (188, 53302030), (190, 52740956), (235, 42641624), (376, 26651015), (380, 26370478), (470, 21320812), (760, 13185239), (893, 11221480), (940, 10660406), (1786, 5610740), (1880, 5330203), (3572, 2805370), (4465, 2244296), (7144, 1402685), (8930, 1122148), (17860, 561074), (35720, 280537)]