15663125860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{38903}}^1$

素因数の和:39444

約数の個数: 48

約数和(自身を含む): 33764314752

約数和(自身を除く): 18101188892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 820, 982, 1964, 2455, 4910, 9820, 20131, 38903, 40262, 77806, 80524, 100655, 155612, 194515, 201310, 389030, 402620, 778060, 1595023, 3190046, 6380092, 7975115, 15950230, 19101373, 31900460, 38202746, 76405492, 95506865, 191013730, 382027460, 783156293, 1566312586, 3132625172, 3915781465, 7831562930, 15663125860]

約数ペア:

[(1, 15663125860), (2, 7831562930), (4, 3915781465), (5, 3132625172), (10, 1566312586), (20, 783156293), (41, 382027460), (82, 191013730), (164, 95506865), (205, 76405492), (410, 38202746), (491, 31900460), (820, 19101373), (982, 15950230), (1964, 7975115), (2455, 6380092), (4910, 3190046), (9820, 1595023), (20131, 778060), (38903, 402620), (40262, 389030), (77806, 201310), (80524, 194515), (100655, 155612)]