129918080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11941}}^1$

素因数の和:11977

約数の個数: 64

約数和(自身を含む): 328882680

約数和(自身を除く): 198964600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11941, 23882, 47764, 59705, 95528, 119410, 191056, 202997, 238820, 382112, 405994, 477640, 764224, 811988, 955280, 1014985, 1528448, 1623976, 1910560, 2029970, 3247952, 3821120, 4059940, 6495904, 7642240, 8119880, 12991808, 16239760, 25983616, 32479520, 64959040, 129918080]

約数ペア:

[(1, 129918080), (2, 64959040), (4, 32479520), (5, 25983616), (8, 16239760), (10, 12991808), (16, 8119880), (17, 7642240), (20, 6495904), (32, 4059940), (34, 3821120), (40, 3247952), (64, 2029970), (68, 1910560), (80, 1623976), (85, 1528448), (128, 1014985), (136, 955280), (160, 811988), (170, 764224), (272, 477640), (320, 405994), (340, 382112), (544, 238820), (640, 202997), (680, 191056), (1088, 119410), (1360, 95528), (2176, 59705), (2720, 47764), (5440, 23882), (10880, 11941)]