49906280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 117089280

約数和(自身を除く): 67183000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 241, 248, 310, 334, 482, 620, 668, 835, 964, 1205, 1240, 1336, 1670, 1928, 2410, 3340, 4820, 5177, 6680, 7471, 9640, 10354, 14942, 20708, 25885, 29884, 37355, 40247, 41416, 51770, 59768, 74710, 80494, 103540, 149420, 160988, 201235, 207080, 298840, 321976, 402470, 804940, 1247657, 1609880, 2495314, 4990628, 6238285, 9981256, 12476570, 24953140, 49906280]

約数ペア:

[(1, 49906280), (2, 24953140), (4, 12476570), (5, 9981256), (8, 6238285), (10, 4990628), (20, 2495314), (31, 1609880), (40, 1247657), (62, 804940), (124, 402470), (155, 321976), (167, 298840), (241, 207080), (248, 201235), (310, 160988), (334, 149420), (482, 103540), (620, 80494), (668, 74710), (835, 59768), (964, 51770), (1205, 41416), (1240, 40247), (1336, 37355), (1670, 29884), (1928, 25885), (2410, 20708), (3340, 14942), (4820, 10354), (5177, 9640), (6680, 7471)]