80604340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4552

約数の個数: 48

約数和(自身を含む): 180794880

約数和(自身を除く): 100190540

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4483, 4495, 8966, 8990, 17932, 17980, 22415, 44830, 89660, 130007, 138973, 260014, 277946, 520028, 555892, 650035, 694865, 1300070, 1389730, 2600140, 2779460, 4030217, 8060434, 16120868, 20151085, 40302170, 80604340]

約数ペア:

[(1, 80604340), (2, 40302170), (4, 20151085), (5, 16120868), (10, 8060434), (20, 4030217), (29, 2779460), (31, 2600140), (58, 1389730), (62, 1300070), (116, 694865), (124, 650035), (145, 555892), (155, 520028), (290, 277946), (310, 260014), (580, 138973), (620, 130007), (899, 89660), (1798, 44830), (3596, 22415), (4483, 17980), (4495, 17932), (8966, 8990)]