16709960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 23569720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 443, 460, 820, 886, 920, 943, 1640, 1772, 1886, 2215, 3544, 3772, 4430, 4715, 7544, 8860, 9430, 10189, 17720, 18163, 18860, 20378, 36326, 37720, 40756, 50945, 72652, 81512, 90815, 101890, 145304, 181630, 203780, 363260, 407560, 417749, 726520, 835498, 1670996, 2088745, 3341992, 4177490, 8354980, 16709960]

約数ペア:

[(1, 16709960), (2, 8354980), (4, 4177490), (5, 3341992), (8, 2088745), (10, 1670996), (20, 835498), (23, 726520), (40, 417749), (41, 407560), (46, 363260), (82, 203780), (92, 181630), (115, 145304), (164, 101890), (184, 90815), (205, 81512), (230, 72652), (328, 50945), (410, 40756), (443, 37720), (460, 36326), (820, 20378), (886, 18860), (920, 18163), (943, 17720), (1640, 10189), (1772, 9430), (1886, 8860), (2215, 7544), (3544, 4715), (3772, 4430)]