4126040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 10044000

約数和(自身を除く): 5917960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 89, 95, 122, 152, 178, 190, 244, 305, 356, 380, 445, 488, 610, 712, 760, 890, 1159, 1220, 1691, 1780, 2318, 2440, 3382, 3560, 4636, 5429, 5795, 6764, 8455, 9272, 10858, 11590, 13528, 16910, 21716, 23180, 27145, 33820, 43432, 46360, 54290, 67640, 103151, 108580, 206302, 217160, 412604, 515755, 825208, 1031510, 2063020, 4126040]

約数ペア:

[(1, 4126040), (2, 2063020), (4, 1031510), (5, 825208), (8, 515755), (10, 412604), (19, 217160), (20, 206302), (38, 108580), (40, 103151), (61, 67640), (76, 54290), (89, 46360), (95, 43432), (122, 33820), (152, 27145), (178, 23180), (190, 21716), (244, 16910), (305, 13528), (356, 11590), (380, 10858), (445, 9272), (488, 8455), (610, 6764), (712, 5795), (760, 5429), (890, 4636), (1159, 3560), (1220, 3382), (1691, 2440), (1780, 2318)]