3200080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 8530704

約数和(自身を除く): 5330624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 181, 208, 221, 260, 272, 340, 362, 442, 520, 680, 724, 884, 905, 1040, 1105, 1360, 1448, 1768, 1810, 2210, 2353, 2896, 3077, 3536, 3620, 4420, 4706, 6154, 7240, 8840, 9412, 11765, 12308, 14480, 15385, 17680, 18824, 23530, 24616, 30770, 37648, 40001, 47060, 49232, 61540, 80002, 94120, 123080, 160004, 188240, 200005, 246160, 320008, 400010, 640016, 800020, 1600040, 3200080]

約数ペア:

[(1, 3200080), (2, 1600040), (4, 800020), (5, 640016), (8, 400010), (10, 320008), (13, 246160), (16, 200005), (17, 188240), (20, 160004), (26, 123080), (34, 94120), (40, 80002), (52, 61540), (65, 49232), (68, 47060), (80, 40001), (85, 37648), (104, 30770), (130, 24616), (136, 23530), (170, 18824), (181, 17680), (208, 15385), (221, 14480), (260, 12308), (272, 11765), (340, 9412), (362, 8840), (442, 7240), (520, 6154), (680, 4706), (724, 4420), (884, 3620), (905, 3536), (1040, 3077), (1105, 2896), (1360, 2353), (1448, 2210), (1768, 1810)]