42640656

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 115492608

約数和(自身を除く): 72851952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 47, 48, 82, 94, 123, 141, 164, 188, 246, 282, 328, 376, 461, 492, 564, 656, 752, 922, 984, 1128, 1383, 1844, 1927, 1968, 2256, 2766, 3688, 3854, 5532, 5781, 7376, 7708, 11064, 11562, 15416, 18901, 21667, 22128, 23124, 30832, 37802, 43334, 46248, 56703, 65001, 75604, 86668, 92496, 113406, 130002, 151208, 173336, 226812, 260004, 302416, 346672, 453624, 520008, 888347, 907248, 1040016, 1776694, 2665041, 3553388, 5330082, 7106776, 10660164, 14213552, 21320328, 42640656]

約数ペア:

[(1, 42640656), (2, 21320328), (3, 14213552), (4, 10660164), (6, 7106776), (8, 5330082), (12, 3553388), (16, 2665041), (24, 1776694), (41, 1040016), (47, 907248), (48, 888347), (82, 520008), (94, 453624), (123, 346672), (141, 302416), (164, 260004), (188, 226812), (246, 173336), (282, 151208), (328, 130002), (376, 113406), (461, 92496), (492, 86668), (564, 75604), (656, 65001), (752, 56703), (922, 46248), (984, 43334), (1128, 37802), (1383, 30832), (1844, 23124), (1927, 22128), (1968, 21667), (2256, 18901), (2766, 15416), (3688, 11562), (3854, 11064), (5532, 7708), (5781, 7376)]