81039680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14897}}^1$

素因数の和:14931

約数の個数: 56

約数和(自身を含む): 204340968

約数和(自身を除く): 123301288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14897, 29794, 59588, 74485, 119176, 148970, 238352, 253249, 297940, 476704, 506498, 595880, 953408, 1012996, 1191760, 1266245, 2025992, 2383520, 2532490, 4051984, 4767040, 5064980, 8103968, 10129960, 16207936, 20259920, 40519840, 81039680]

約数ペア:

[(1, 81039680), (2, 40519840), (4, 20259920), (5, 16207936), (8, 10129960), (10, 8103968), (16, 5064980), (17, 4767040), (20, 4051984), (32, 2532490), (34, 2383520), (40, 2025992), (64, 1266245), (68, 1191760), (80, 1012996), (85, 953408), (136, 595880), (160, 506498), (170, 476704), (272, 297940), (320, 253249), (340, 238352), (544, 148970), (680, 119176), (1088, 74485), (1360, 59588), (2720, 29794), (5440, 14897)]