85278520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 200390400

約数和(自身を除く): 115111880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 709, 776, 970, 1240, 1418, 1940, 2836, 3007, 3545, 3880, 5672, 6014, 7090, 12028, 14180, 15035, 21979, 24056, 28360, 30070, 43958, 60140, 68773, 87916, 109895, 120280, 137546, 175832, 219790, 275092, 343865, 439580, 550184, 687730, 879160, 1375460, 2131963, 2750920, 4263926, 8527852, 10659815, 17055704, 21319630, 42639260, 85278520]

約数ペア:

[(1, 85278520), (2, 42639260), (4, 21319630), (5, 17055704), (8, 10659815), (10, 8527852), (20, 4263926), (31, 2750920), (40, 2131963), (62, 1375460), (97, 879160), (124, 687730), (155, 550184), (194, 439580), (248, 343865), (310, 275092), (388, 219790), (485, 175832), (620, 137546), (709, 120280), (776, 109895), (970, 87916), (1240, 68773), (1418, 60140), (1940, 43958), (2836, 30070), (3007, 28360), (3545, 24056), (3880, 21979), (5672, 15035), (6014, 14180), (7090, 12028)]