39100040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19949}}^1$

素因数の和:19974

約数の個数: 48

約数和(自身を含む): 102343500

約数和(自身を除く): 63243460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19949, 39898, 79796, 99745, 139643, 159592, 199490, 279286, 398980, 558572, 698215, 797960, 977501, 1117144, 1396430, 1955002, 2792860, 3910004, 4887505, 5585720, 7820008, 9775010, 19550020, 39100040]

約数ペア:

[(1, 39100040), (2, 19550020), (4, 9775010), (5, 7820008), (7, 5585720), (8, 4887505), (10, 3910004), (14, 2792860), (20, 1955002), (28, 1396430), (35, 1117144), (40, 977501), (49, 797960), (56, 698215), (70, 558572), (98, 398980), (140, 279286), (196, 199490), (245, 159592), (280, 139643), (392, 99745), (490, 79796), (980, 39898), (1960, 19949)]