4931480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 11854080

約数和(自身を除く): 6922600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 97, 124, 155, 164, 194, 205, 248, 310, 328, 388, 410, 485, 620, 776, 820, 970, 1240, 1271, 1640, 1940, 2542, 3007, 3880, 3977, 5084, 6014, 6355, 7954, 10168, 12028, 12710, 15035, 15908, 19885, 24056, 25420, 30070, 31816, 39770, 50840, 60140, 79540, 120280, 123287, 159080, 246574, 493148, 616435, 986296, 1232870, 2465740, 4931480]

約数ペア:

[(1, 4931480), (2, 2465740), (4, 1232870), (5, 986296), (8, 616435), (10, 493148), (20, 246574), (31, 159080), (40, 123287), (41, 120280), (62, 79540), (82, 60140), (97, 50840), (124, 39770), (155, 31816), (164, 30070), (194, 25420), (205, 24056), (248, 19885), (310, 15908), (328, 15035), (388, 12710), (410, 12028), (485, 10168), (620, 7954), (776, 6355), (820, 6014), (970, 5084), (1240, 3977), (1271, 3880), (1640, 3007), (1940, 2542)]