13886571520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87491}}^1$

素因数の和:87547

約数の個数: 88

約数和(自身を含む): 34386455808

約数和(自身を除く): 20499884288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 79360, 87491, 158720, 174982, 349964, 437455, 699928, 874910, 1399856, 1749820, 2712221, 2799712, 3499640, 5424442, 5599424, 6999280, 10848884, 11198848, 13561105, 13998560, 21697768, 22397696, 27122210, 27997120, 43395536, 44795392, 54244420, 55994240, 86791072, 89590784, 108488840, 111988480, 173582144, 216977680, 223976960, 347164288, 433955360, 447953920, 694328576, 867910720, 1388657152, 1735821440, 2777314304, 3471642880, 6943285760, 13886571520]

約数ペア:

[(1, 13886571520), (2, 6943285760), (4, 3471642880), (5, 2777314304), (8, 1735821440), (10, 1388657152), (16, 867910720), (20, 694328576), (31, 447953920), (32, 433955360), (40, 347164288), (62, 223976960), (64, 216977680), (80, 173582144), (124, 111988480), (128, 108488840), (155, 89590784), (160, 86791072), (248, 55994240), (256, 54244420), (310, 44795392), (320, 43395536), (496, 27997120), (512, 27122210), (620, 22397696), (640, 21697768), (992, 13998560), (1024, 13561105), (1240, 11198848), (1280, 10848884), (1984, 6999280), (2480, 5599424), (2560, 5424442), (3968, 3499640), (4960, 2799712), (5120, 2712221), (7936, 1749820), (9920, 1399856), (15872, 874910), (19840, 699928), (31744, 437455), (39680, 349964), (79360, 174982), (87491, 158720)]