90479120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15493}}^1$

素因数の和:15579

約数の個数: 40

約数和(自身を含む): 213259416

約数和(自身を除く): 122780296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 15493, 30986, 61972, 77465, 123944, 154930, 247888, 309860, 619720, 1130989, 1239440, 2261978, 4523956, 5654945, 9047912, 11309890, 18095824, 22619780, 45239560, 90479120]

約数ペア:

[(1, 90479120), (2, 45239560), (4, 22619780), (5, 18095824), (8, 11309890), (10, 9047912), (16, 5654945), (20, 4523956), (40, 2261978), (73, 1239440), (80, 1130989), (146, 619720), (292, 309860), (365, 247888), (584, 154930), (730, 123944), (1168, 77465), (1460, 61972), (2920, 30986), (5840, 15493)]