51379700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 118117440

約数和(自身を除く): 66737740

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 251, 356, 445, 460, 502, 575, 890, 1004, 1150, 1255, 1780, 2047, 2225, 2300, 2510, 4094, 4450, 5020, 5773, 6275, 8188, 8900, 10235, 11546, 12550, 20470, 22339, 23092, 25100, 28865, 40940, 44678, 51175, 57730, 89356, 102350, 111695, 115460, 144325, 204700, 223390, 288650, 446780, 513797, 558475, 577300, 1027594, 1116950, 2055188, 2233900, 2568985, 5137970, 10275940, 12844925, 25689850, 51379700]

約数ペア:

[(1, 51379700), (2, 25689850), (4, 12844925), (5, 10275940), (10, 5137970), (20, 2568985), (23, 2233900), (25, 2055188), (46, 1116950), (50, 1027594), (89, 577300), (92, 558475), (100, 513797), (115, 446780), (178, 288650), (230, 223390), (251, 204700), (356, 144325), (445, 115460), (460, 111695), (502, 102350), (575, 89356), (890, 57730), (1004, 51175), (1150, 44678), (1255, 40940), (1780, 28865), (2047, 25100), (2225, 23092), (2300, 22339), (2510, 20470), (4094, 12550), (4450, 11546), (5020, 10235), (5773, 8900), (6275, 8188)]