28271680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5197}}^1$

素因数の和:5231

約数の個数: 56

約数和(自身を含む): 71295768

約数和(自身を除く): 43024088

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, 5197, 5440, 10394, 20788, 25985, 41576, 51970, 83152, 88349, 103940, 166304, 176698, 207880, 332608, 353396, 415760, 441745, 706792, 831520, 883490, 1413584, 1663040, 1766980, 2827168, 3533960, 5654336, 7067920, 14135840, 28271680]

約数ペア:

[(1, 28271680), (2, 14135840), (4, 7067920), (5, 5654336), (8, 3533960), (10, 2827168), (16, 1766980), (17, 1663040), (20, 1413584), (32, 883490), (34, 831520), (40, 706792), (64, 441745), (68, 415760), (80, 353396), (85, 332608), (136, 207880), (160, 176698), (170, 166304), (272, 103940), (320, 88349), (340, 83152), (544, 51970), (680, 41576), (1088, 25985), (1360, 20788), (2720, 10394), (5197, 5440)]