31837160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 76161600

約数和(自身を除く): 44324440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 257, 326, 380, 514, 652, 760, 815, 1028, 1285, 1304, 1630, 2056, 2570, 3097, 3260, 4883, 5140, 6194, 6520, 9766, 10280, 12388, 15485, 19532, 24415, 24776, 30970, 39064, 41891, 48830, 61940, 83782, 97660, 123880, 167564, 195320, 209455, 335128, 418910, 795929, 837820, 1591858, 1675640, 3183716, 3979645, 6367432, 7959290, 15918580, 31837160]

約数ペア:

[(1, 31837160), (2, 15918580), (4, 7959290), (5, 6367432), (8, 3979645), (10, 3183716), (19, 1675640), (20, 1591858), (38, 837820), (40, 795929), (76, 418910), (95, 335128), (152, 209455), (163, 195320), (190, 167564), (257, 123880), (326, 97660), (380, 83782), (514, 61940), (652, 48830), (760, 41891), (815, 39064), (1028, 30970), (1285, 24776), (1304, 24415), (1630, 19532), (2056, 15485), (2570, 12388), (3097, 10280), (3260, 9766), (4883, 6520), (5140, 6194)]