31645840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23269}}^1$

素因数の和:23299

約数の個数: 40

約数和(自身を含む): 77907960

約数和(自身を除く): 46262120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23269, 46538, 93076, 116345, 186152, 232690, 372304, 395573, 465380, 791146, 930760, 1582292, 1861520, 1977865, 3164584, 3955730, 6329168, 7911460, 15822920, 31645840]

約数ペア:

[(1, 31645840), (2, 15822920), (4, 7911460), (5, 6329168), (8, 3955730), (10, 3164584), (16, 1977865), (17, 1861520), (20, 1582292), (34, 930760), (40, 791146), (68, 465380), (80, 395573), (85, 372304), (136, 232690), (170, 186152), (272, 116345), (340, 93076), (680, 46538), (1360, 23269)]