125000320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11525

約数の個数: 64

約数和(自身を含む): 316434600

約数和(自身を除く): 191434280

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, 11489, 22978, 45956, 57445, 91912, 114890, 183824, 195313, 229780, 367648, 390626, 459560, 735296, 781252, 919120, 976565, 1470592, 1562504, 1838240, 1953130, 3125008, 3676480, 3906260, 6250016, 7352960, 7812520, 12500032, 15625040, 25000064, 31250080, 62500160, 125000320]

約数ペア:

[(1, 125000320), (2, 62500160), (4, 31250080), (5, 25000064), (8, 15625040), (10, 12500032), (16, 7812520), (17, 7352960), (20, 6250016), (32, 3906260), (34, 3676480), (40, 3125008), (64, 1953130), (68, 1838240), (80, 1562504), (85, 1470592), (128, 976565), (136, 919120), (160, 781252), (170, 735296), (272, 459560), (320, 390626), (340, 367648), (544, 229780), (640, 195313), (680, 183824), (1088, 114890), (1360, 91912), (2176, 57445), (2720, 45956), (5440, 22978), (10880, 11489)]