25767820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 37453940

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 139, 155, 230, 260, 278, 299, 310, 403, 460, 556, 598, 620, 695, 713, 806, 1196, 1390, 1426, 1495, 1612, 1807, 2015, 2780, 2852, 2990, 3197, 3565, 3614, 4030, 4309, 5980, 6394, 7130, 7228, 8060, 8618, 9035, 9269, 12788, 14260, 15985, 17236, 18070, 18538, 21545, 31970, 36140, 37076, 41561, 43090, 46345, 56017, 63940, 83122, 86180, 92690, 99107, 112034, 166244, 185380, 198214, 207805, 224068, 280085, 396428, 415610, 495535, 560170, 831220, 991070, 1120340, 1288391, 1982140, 2576782, 5153564, 6441955, 12883910, 25767820]

約数ペア:

[(1, 25767820), (2, 12883910), (4, 6441955), (5, 5153564), (10, 2576782), (13, 1982140), (20, 1288391), (23, 1120340), (26, 991070), (31, 831220), (46, 560170), (52, 495535), (62, 415610), (65, 396428), (92, 280085), (115, 224068), (124, 207805), (130, 198214), (139, 185380), (155, 166244), (230, 112034), (260, 99107), (278, 92690), (299, 86180), (310, 83122), (403, 63940), (460, 56017), (556, 46345), (598, 43090), (620, 41561), (695, 37076), (713, 36140), (806, 31970), (1196, 21545), (1390, 18538), (1426, 18070), (1495, 17236), (1612, 15985), (1807, 14260), (2015, 12788), (2780, 9269), (2852, 9035), (2990, 8618), (3197, 8060), (3565, 7228), (3614, 7130), (4030, 6394), (4309, 5980)]