131089880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 311428800

約数和(自身を除く): 180338920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1601, 1780, 2047, 3202, 3560, 4094, 6404, 8005, 8188, 10235, 12808, 16010, 16376, 20470, 32020, 36823, 40940, 64040, 73646, 81880, 142489, 147292, 184115, 284978, 294584, 368230, 569956, 712445, 736460, 1139912, 1424890, 1472920, 2849780, 3277247, 5699560, 6554494, 13108988, 16386235, 26217976, 32772470, 65544940, 131089880]

約数ペア:

[(1, 131089880), (2, 65544940), (4, 32772470), (5, 26217976), (8, 16386235), (10, 13108988), (20, 6554494), (23, 5699560), (40, 3277247), (46, 2849780), (89, 1472920), (92, 1424890), (115, 1139912), (178, 736460), (184, 712445), (230, 569956), (356, 368230), (445, 294584), (460, 284978), (712, 184115), (890, 147292), (920, 142489), (1601, 81880), (1780, 73646), (2047, 64040), (3202, 40940), (3560, 36823), (4094, 32020), (6404, 20470), (8005, 16376), (8188, 16010), (10235, 12808)]