26439880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 37841720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 991, 1160, 1334, 1982, 2668, 3335, 3964, 4955, 5336, 6670, 7928, 9910, 13340, 19820, 22793, 26680, 28739, 39640, 45586, 57478, 91172, 113965, 114956, 143695, 182344, 227930, 229912, 287390, 455860, 574780, 660997, 911720, 1149560, 1321994, 2643988, 3304985, 5287976, 6609970, 13219940, 26439880]

約数ペア:

[(1, 26439880), (2, 13219940), (4, 6609970), (5, 5287976), (8, 3304985), (10, 2643988), (20, 1321994), (23, 1149560), (29, 911720), (40, 660997), (46, 574780), (58, 455860), (92, 287390), (115, 229912), (116, 227930), (145, 182344), (184, 143695), (230, 114956), (232, 113965), (290, 91172), (460, 57478), (580, 45586), (667, 39640), (920, 28739), (991, 26680), (1160, 22793), (1334, 19820), (1982, 13340), (2668, 9910), (3335, 7928), (3964, 6670), (4955, 5336)]