90541940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 196756560

約数和(自身を除く): 106214620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1013, 1090, 2026, 2180, 4052, 4469, 5065, 8938, 10130, 17876, 20260, 22345, 41533, 44690, 83066, 89380, 110417, 166132, 207665, 220834, 415330, 441668, 552085, 830660, 1104170, 2208340, 4527097, 9054194, 18108388, 22635485, 45270970, 90541940]

約数ペア:

[(1, 90541940), (2, 45270970), (4, 22635485), (5, 18108388), (10, 9054194), (20, 4527097), (41, 2208340), (82, 1104170), (109, 830660), (164, 552085), (205, 441668), (218, 415330), (410, 220834), (436, 207665), (545, 166132), (820, 110417), (1013, 89380), (1090, 83066), (2026, 44690), (2180, 41533), (4052, 22345), (4469, 20260), (5065, 17876), (8938, 10130)]