77422640

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2789}}^1$

素因数の和:3149

約数の個数: 40

約数和(自身を含む): 180591120

約数和(自身を除く): 103168480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 2789, 3470, 5552, 5578, 6940, 11156, 13880, 13945, 22312, 27760, 27890, 44624, 55780, 111560, 223120, 967783, 1935566, 3871132, 4838915, 7742264, 9677830, 15484528, 19355660, 38711320, 77422640]

約数ペア:

[(1, 77422640), (2, 38711320), (4, 19355660), (5, 15484528), (8, 9677830), (10, 7742264), (16, 4838915), (20, 3871132), (40, 1935566), (80, 967783), (347, 223120), (694, 111560), (1388, 55780), (1735, 44624), (2776, 27890), (2789, 27760), (3470, 22312), (5552, 13945), (5578, 13880), (6940, 11156)]