204973600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19709}}^1$

素因数の和:19742

約数の個数: 72

約数和(自身を含む): 538910820

約数和(自身を除く): 333937220

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 19709, 39418, 78836, 98545, 157672, 197090, 256217, 315344, 394180, 492725, 512434, 630688, 788360, 985450, 1024868, 1281085, 1576720, 1970900, 2049736, 2562170, 3153440, 3941800, 4099472, 5124340, 6405425, 7883600, 8198944, 10248680, 12810850, 15767200, 20497360, 25621700, 40994720, 51243400, 102486800, 204973600]

約数ペア:

[(1, 204973600), (2, 102486800), (4, 51243400), (5, 40994720), (8, 25621700), (10, 20497360), (13, 15767200), (16, 12810850), (20, 10248680), (25, 8198944), (26, 7883600), (32, 6405425), (40, 5124340), (50, 4099472), (52, 3941800), (65, 3153440), (80, 2562170), (100, 2049736), (104, 1970900), (130, 1576720), (160, 1281085), (200, 1024868), (208, 985450), (260, 788360), (325, 630688), (400, 512434), (416, 492725), (520, 394180), (650, 315344), (800, 256217), (1040, 197090), (1300, 157672), (2080, 98545), (2600, 78836), (5200, 39418), (10400, 19709)]