16227820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 24853220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 571, 580, 812, 980, 1015, 1142, 1421, 2030, 2284, 2842, 2855, 3997, 4060, 5684, 5710, 7105, 7994, 11420, 14210, 15988, 16559, 19985, 27979, 28420, 33118, 39970, 55958, 66236, 79940, 82795, 111916, 115913, 139895, 165590, 231826, 279790, 331180, 463652, 559580, 579565, 811391, 1159130, 1622782, 2318260, 3245564, 4056955, 8113910, 16227820]

約数ペア:

[(1, 16227820), (2, 8113910), (4, 4056955), (5, 3245564), (7, 2318260), (10, 1622782), (14, 1159130), (20, 811391), (28, 579565), (29, 559580), (35, 463652), (49, 331180), (58, 279790), (70, 231826), (98, 165590), (116, 139895), (140, 115913), (145, 111916), (196, 82795), (203, 79940), (245, 66236), (290, 55958), (406, 39970), (490, 33118), (571, 28420), (580, 27979), (812, 19985), (980, 16559), (1015, 15988), (1142, 14210), (1421, 11420), (2030, 7994), (2284, 7105), (2842, 5710), (2855, 5684), (3997, 4060)]