51221300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 126702828

約数和(自身を除く): 75481528

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 41, 50, 52, 62, 65, 82, 100, 124, 130, 155, 164, 205, 260, 310, 325, 403, 410, 533, 620, 650, 775, 806, 820, 961, 1025, 1066, 1271, 1300, 1550, 1612, 1922, 2015, 2050, 2132, 2542, 2665, 3100, 3844, 4030, 4100, 4805, 5084, 5330, 6355, 8060, 9610, 10075, 10660, 12493, 12710, 13325, 16523, 19220, 20150, 24025, 24986, 25420, 26650, 31775, 33046, 39401, 40300, 48050, 49972, 53300, 62465, 63550, 66092, 78802, 82615, 96100, 124930, 127100, 157604, 165230, 197005, 249860, 312325, 330460, 394010, 413075, 512213, 624650, 788020, 826150, 985025, 1024426, 1249300, 1652300, 1970050, 2048852, 2561065, 3940100, 5122130, 10244260, 12805325, 25610650, 51221300]

約数ペア:

[(1, 51221300), (2, 25610650), (4, 12805325), (5, 10244260), (10, 5122130), (13, 3940100), (20, 2561065), (25, 2048852), (26, 1970050), (31, 1652300), (41, 1249300), (50, 1024426), (52, 985025), (62, 826150), (65, 788020), (82, 624650), (100, 512213), (124, 413075), (130, 394010), (155, 330460), (164, 312325), (205, 249860), (260, 197005), (310, 165230), (325, 157604), (403, 127100), (410, 124930), (533, 96100), (620, 82615), (650, 78802), (775, 66092), (806, 63550), (820, 62465), (961, 53300), (1025, 49972), (1066, 48050), (1271, 40300), (1300, 39401), (1550, 33046), (1612, 31775), (1922, 26650), (2015, 25420), (2050, 24986), (2132, 24025), (2542, 20150), (2665, 19220), (3100, 16523), (3844, 13325), (4030, 12710), (4100, 12493), (4805, 10660), (5084, 10075), (5330, 9610), (6355, 8060)]