131931040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 327366144

約数和(自身を除く): 195435104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 248, 268, 310, 335, 397, 496, 536, 620, 670, 794, 992, 1072, 1240, 1340, 1588, 1985, 2077, 2144, 2480, 2680, 3176, 3970, 4154, 4960, 5360, 6352, 7940, 8308, 10385, 10720, 12307, 12704, 15880, 16616, 20770, 24614, 26599, 31760, 33232, 41540, 49228, 53198, 61535, 63520, 66464, 83080, 98456, 106396, 123070, 132995, 166160, 196912, 212792, 246140, 265990, 332320, 393824, 425584, 492280, 531980, 824569, 851168, 984560, 1063960, 1649138, 1969120, 2127920, 3298276, 4122845, 4255840, 6596552, 8245690, 13193104, 16491380, 26386208, 32982760, 65965520, 131931040]

約数ペア:

[(1, 131931040), (2, 65965520), (4, 32982760), (5, 26386208), (8, 16491380), (10, 13193104), (16, 8245690), (20, 6596552), (31, 4255840), (32, 4122845), (40, 3298276), (62, 2127920), (67, 1969120), (80, 1649138), (124, 1063960), (134, 984560), (155, 851168), (160, 824569), (248, 531980), (268, 492280), (310, 425584), (335, 393824), (397, 332320), (496, 265990), (536, 246140), (620, 212792), (670, 196912), (794, 166160), (992, 132995), (1072, 123070), (1240, 106396), (1340, 98456), (1588, 83080), (1985, 66464), (2077, 63520), (2144, 61535), (2480, 53198), (2680, 49228), (3176, 41540), (3970, 33232), (4154, 31760), (4960, 26599), (5360, 24614), (6352, 20770), (7940, 16616), (8308, 15880), (10385, 12704), (10720, 12307)]