80077750

素因数分解:

$2^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 156686400

約数和(自身を除く): 76608650

約数列:

[1, 2, 5, 10, 25, 50, 59, 61, 89, 118, 122, 125, 178, 250, 295, 305, 445, 590, 610, 890, 1475, 1525, 2225, 2950, 3050, 3599, 4450, 5251, 5429, 7198, 7375, 7625, 10502, 10858, 11125, 14750, 15250, 17995, 22250, 26255, 27145, 35990, 52510, 54290, 89975, 131275, 135725, 179950, 262550, 271450, 320311, 449875, 640622, 656375, 678625, 899750, 1312750, 1357250, 1601555, 3203110, 8007775, 16015550, 40038875, 80077750]

約数ペア:

[(1, 80077750), (2, 40038875), (5, 16015550), (10, 8007775), (25, 3203110), (50, 1601555), (59, 1357250), (61, 1312750), (89, 899750), (118, 678625), (122, 656375), (125, 640622), (178, 449875), (250, 320311), (295, 271450), (305, 262550), (445, 179950), (590, 135725), (610, 131275), (890, 89975), (1475, 54290), (1525, 52510), (2225, 35990), (2950, 27145), (3050, 26255), (3599, 22250), (4450, 17995), (5251, 15250), (5429, 14750), (7198, 11125), (7375, 10858), (7625, 10502)]