25823408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 58433760

約数和(自身を除く): 32610352

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 67, 68, 104, 109, 134, 136, 208, 218, 221, 268, 272, 436, 442, 536, 871, 872, 884, 1072, 1139, 1417, 1742, 1744, 1768, 1853, 2278, 2834, 3484, 3536, 3706, 4556, 5668, 6968, 7303, 7412, 9112, 11336, 13936, 14606, 14807, 14824, 18224, 22672, 24089, 29212, 29614, 29648, 48178, 58424, 59228, 94939, 96356, 116848, 118456, 124151, 189878, 192712, 236912, 248302, 379756, 385424, 496604, 759512, 993208, 1519024, 1613963, 1986416, 3227926, 6455852, 12911704, 25823408]

約数ペア:

[(1, 25823408), (2, 12911704), (4, 6455852), (8, 3227926), (13, 1986416), (16, 1613963), (17, 1519024), (26, 993208), (34, 759512), (52, 496604), (67, 385424), (68, 379756), (104, 248302), (109, 236912), (134, 192712), (136, 189878), (208, 124151), (218, 118456), (221, 116848), (268, 96356), (272, 94939), (436, 59228), (442, 58424), (536, 48178), (871, 29648), (872, 29614), (884, 29212), (1072, 24089), (1139, 22672), (1417, 18224), (1742, 14824), (1744, 14807), (1768, 14606), (1853, 13936), (2278, 11336), (2834, 9112), (3484, 7412), (3536, 7303), (3706, 6968), (4556, 5668)]