39642800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 103326720

約数和(自身を除く): 63683920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 139, 155, 184, 200, 230, 248, 278, 310, 368, 400, 460, 496, 556, 575, 620, 695, 713, 775, 920, 1112, 1150, 1240, 1390, 1426, 1550, 1840, 2224, 2300, 2480, 2780, 2852, 3100, 3197, 3475, 3565, 4309, 4600, 5560, 5704, 6200, 6394, 6950, 7130, 8618, 9200, 11120, 11408, 12400, 12788, 13900, 14260, 15985, 17236, 17825, 21545, 25576, 27800, 28520, 31970, 34472, 35650, 43090, 51152, 55600, 57040, 63940, 68944, 71300, 79925, 86180, 99107, 107725, 127880, 142600, 159850, 172360, 198214, 215450, 255760, 285200, 319700, 344720, 396428, 430900, 495535, 639400, 792856, 861800, 991070, 1278800, 1585712, 1723600, 1982140, 2477675, 3964280, 4955350, 7928560, 9910700, 19821400, 39642800]

約数ペア:

[(1, 39642800), (2, 19821400), (4, 9910700), (5, 7928560), (8, 4955350), (10, 3964280), (16, 2477675), (20, 1982140), (23, 1723600), (25, 1585712), (31, 1278800), (40, 991070), (46, 861800), (50, 792856), (62, 639400), (80, 495535), (92, 430900), (100, 396428), (115, 344720), (124, 319700), (139, 285200), (155, 255760), (184, 215450), (200, 198214), (230, 172360), (248, 159850), (278, 142600), (310, 127880), (368, 107725), (400, 99107), (460, 86180), (496, 79925), (556, 71300), (575, 68944), (620, 63940), (695, 57040), (713, 55600), (775, 51152), (920, 43090), (1112, 35650), (1150, 34472), (1240, 31970), (1390, 28520), (1426, 27800), (1550, 25576), (1840, 21545), (2224, 17825), (2300, 17236), (2480, 15985), (2780, 14260), (2852, 13900), (3100, 12788), (3197, 12400), (3475, 11408), (3565, 11120), (4309, 9200), (4600, 8618), (5560, 7130), (5704, 6950), (6200, 6394)]