74328280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142939}}^1$

素因数の和:142963

約数の個数: 32

約数和(自身を含む): 180104400

約数和(自身を除く): 105776120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142939, 285878, 571756, 714695, 1143512, 1429390, 1858207, 2858780, 3716414, 5717560, 7432828, 9291035, 14865656, 18582070, 37164140, 74328280]

約数ペア:

[(1, 74328280), (2, 37164140), (4, 18582070), (5, 14865656), (8, 9291035), (10, 7432828), (13, 5717560), (20, 3716414), (26, 2858780), (40, 1858207), (52, 1429390), (65, 1143512), (104, 714695), (130, 571756), (260, 285878), (520, 142939)]