20160835120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{20477}}^1$

素因数の和:20918

約数の個数: 80

約数和(自身を含む): 48510252288

約数和(自身を除く): 28349417168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 397, 496, 620, 794, 1240, 1588, 1985, 2480, 3176, 3970, 6352, 7940, 12307, 15880, 20477, 24614, 31760, 40954, 49228, 61535, 81908, 98456, 102385, 123070, 163816, 196912, 204770, 246140, 327632, 409540, 492280, 634787, 819080, 984560, 1269574, 1638160, 2539148, 3173935, 5078296, 6347870, 8129369, 10156592, 12695740, 16258738, 25391480, 32517476, 40646845, 50782960, 65034952, 81293690, 130069904, 162587380, 252010439, 325174760, 504020878, 650349520, 1008041756, 1260052195, 2016083512, 2520104390, 4032167024, 5040208780, 10080417560, 20160835120]

約数ペア:

[(1, 20160835120), (2, 10080417560), (4, 5040208780), (5, 4032167024), (8, 2520104390), (10, 2016083512), (16, 1260052195), (20, 1008041756), (31, 650349520), (40, 504020878), (62, 325174760), (80, 252010439), (124, 162587380), (155, 130069904), (248, 81293690), (310, 65034952), (397, 50782960), (496, 40646845), (620, 32517476), (794, 25391480), (1240, 16258738), (1588, 12695740), (1985, 10156592), (2480, 8129369), (3176, 6347870), (3970, 5078296), (6352, 3173935), (7940, 2539148), (12307, 1638160), (15880, 1269574), (20477, 984560), (24614, 819080), (31760, 634787), (40954, 492280), (49228, 409540), (61535, 327632), (81908, 246140), (98456, 204770), (102385, 196912), (123070, 163816)]