78431840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21313}}^1$

素因数の和:21351

約数の個数: 48

約数和(自身を含む): 193360608

約数和(自身を除く): 114928768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21313, 42626, 85252, 106565, 170504, 213130, 341008, 426260, 490199, 682016, 852520, 980398, 1705040, 1960796, 2450995, 3410080, 3921592, 4901990, 7843184, 9803980, 15686368, 19607960, 39215920, 78431840]

約数ペア:

[(1, 78431840), (2, 39215920), (4, 19607960), (5, 15686368), (8, 9803980), (10, 7843184), (16, 4901990), (20, 3921592), (23, 3410080), (32, 2450995), (40, 1960796), (46, 1705040), (80, 980398), (92, 852520), (115, 682016), (160, 490199), (184, 426260), (230, 341008), (368, 213130), (460, 170504), (736, 106565), (920, 85252), (1840, 42626), (3680, 21313)]