40599440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10357}}^1$

素因数の和:10384

約数の個数: 60

約数和(自身を含む): 109815516

約数和(自身を除く): 69216076

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10357, 20714, 41428, 51785, 72499, 82856, 103570, 144998, 165712, 207140, 289996, 362495, 414280, 507493, 579992, 724990, 828560, 1014986, 1159984, 1449980, 2029972, 2537465, 2899960, 4059944, 5074930, 5799920, 8119888, 10149860, 20299720, 40599440]

約数ペア:

[(1, 40599440), (2, 20299720), (4, 10149860), (5, 8119888), (7, 5799920), (8, 5074930), (10, 4059944), (14, 2899960), (16, 2537465), (20, 2029972), (28, 1449980), (35, 1159984), (40, 1014986), (49, 828560), (56, 724990), (70, 579992), (80, 507493), (98, 414280), (112, 362495), (140, 289996), (196, 207140), (245, 165712), (280, 144998), (392, 103570), (490, 82856), (560, 72499), (784, 51785), (980, 41428), (1960, 20714), (3920, 10357)]