25290100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 60808608

約数和(自身を除く): 35518508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 83, 100, 110, 166, 220, 275, 277, 332, 415, 550, 554, 830, 913, 1100, 1108, 1385, 1660, 1826, 2075, 2770, 3047, 3652, 4150, 4565, 5540, 6094, 6925, 8300, 9130, 12188, 13850, 15235, 18260, 22825, 22991, 27700, 30470, 45650, 45982, 60940, 76175, 91300, 91964, 114955, 152350, 229910, 252901, 304700, 459820, 505802, 574775, 1011604, 1149550, 1264505, 2299100, 2529010, 5058020, 6322525, 12645050, 25290100]

約数ペア:

[(1, 25290100), (2, 12645050), (4, 6322525), (5, 5058020), (10, 2529010), (11, 2299100), (20, 1264505), (22, 1149550), (25, 1011604), (44, 574775), (50, 505802), (55, 459820), (83, 304700), (100, 252901), (110, 229910), (166, 152350), (220, 114955), (275, 91964), (277, 91300), (332, 76175), (415, 60940), (550, 45982), (554, 45650), (830, 30470), (913, 27700), (1100, 22991), (1108, 22825), (1385, 18260), (1660, 15235), (1826, 13850), (2075, 12188), (2770, 9130), (3047, 8300), (3652, 6925), (4150, 6094), (4565, 5540)]