8430640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6199}}^1$

素因数の和:6229

約数の個数: 40

約数和(自身を含む): 20757600

約数和(自身を除く): 12326960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6199, 12398, 24796, 30995, 49592, 61990, 99184, 105383, 123980, 210766, 247960, 421532, 495920, 526915, 843064, 1053830, 1686128, 2107660, 4215320, 8430640]

約数ペア:

[(1, 8430640), (2, 4215320), (4, 2107660), (5, 1686128), (8, 1053830), (10, 843064), (16, 526915), (17, 495920), (20, 421532), (34, 247960), (40, 210766), (68, 123980), (80, 105383), (85, 99184), (136, 61990), (170, 49592), (272, 30995), (340, 24796), (680, 12398), (1360, 6199)]