2016670280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{39667}}^1$

素因数の和:39750

約数の個数: 64

約数和(自身を含む): 4798241280

約数和(自身を除く): 2781571000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 6355, 10168, 12710, 25420, 39667, 50840, 79334, 158668, 198335, 317336, 396670, 793340, 1229677, 1586680, 1626347, 2459354, 3252694, 4918708, 6148385, 6505388, 8131735, 9837416, 12296770, 13010776, 16263470, 24593540, 32526940, 49187080, 50416757, 65053880, 100833514, 201667028, 252083785, 403334056, 504167570, 1008335140, 2016670280]

約数ペア:

[(1, 2016670280), (2, 1008335140), (4, 504167570), (5, 403334056), (8, 252083785), (10, 201667028), (20, 100833514), (31, 65053880), (40, 50416757), (41, 49187080), (62, 32526940), (82, 24593540), (124, 16263470), (155, 13010776), (164, 12296770), (205, 9837416), (248, 8131735), (310, 6505388), (328, 6148385), (410, 4918708), (620, 3252694), (820, 2459354), (1240, 1626347), (1271, 1586680), (1640, 1229677), (2542, 793340), (5084, 396670), (6355, 317336), (10168, 198335), (12710, 158668), (25420, 79334), (39667, 50840)]