2080469950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 4287663072

約数和(自身を除く): 2207193122

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 131, 262, 265, 325, 461, 530, 650, 655, 689, 922, 1310, 1325, 1378, 1703, 2305, 2650, 3275, 3406, 3445, 4610, 5993, 6550, 6890, 6943, 8515, 11525, 11986, 13886, 17030, 17225, 23050, 24433, 29965, 34450, 34715, 42575, 48866, 59930, 60391, 69430, 85150, 90259, 120782, 122165, 149825, 173575, 180518, 244330, 299650, 301955, 317629, 347150, 451295, 603910, 610825, 635258, 785083, 902590, 1221650, 1509775, 1570166, 1588145, 2256475, 3019550, 3176290, 3200723, 3925415, 4512950, 6401446, 7850830, 7940725, 15881450, 16003615, 19627075, 32007230, 39254150, 41609399, 80018075, 83218798, 160036150, 208046995, 416093990, 1040234975, 2080469950]

約数ペア:

[(1, 2080469950), (2, 1040234975), (5, 416093990), (10, 208046995), (13, 160036150), (25, 83218798), (26, 80018075), (50, 41609399), (53, 39254150), (65, 32007230), (106, 19627075), (130, 16003615), (131, 15881450), (262, 7940725), (265, 7850830), (325, 6401446), (461, 4512950), (530, 3925415), (650, 3200723), (655, 3176290), (689, 3019550), (922, 2256475), (1310, 1588145), (1325, 1570166), (1378, 1509775), (1703, 1221650), (2305, 902590), (2650, 785083), (3275, 635258), (3406, 610825), (3445, 603910), (4610, 451295), (5993, 347150), (6550, 317629), (6890, 301955), (6943, 299650), (8515, 244330), (11525, 180518), (11986, 173575), (13886, 149825), (17030, 122165), (17225, 120782), (23050, 90259), (24433, 85150), (29965, 69430), (34450, 60391), (34715, 59930), (42575, 48866)]