10978760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 27276480

約数和(自身を除く): 16297720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 491, 520, 559, 860, 982, 1118, 1720, 1964, 2236, 2455, 2795, 3928, 4472, 4910, 5590, 6383, 9820, 11180, 12766, 19640, 21113, 22360, 25532, 31915, 42226, 51064, 63830, 84452, 105565, 127660, 168904, 211130, 255320, 274469, 422260, 548938, 844520, 1097876, 1372345, 2195752, 2744690, 5489380, 10978760]

約数ペア:

[(1, 10978760), (2, 5489380), (4, 2744690), (5, 2195752), (8, 1372345), (10, 1097876), (13, 844520), (20, 548938), (26, 422260), (40, 274469), (43, 255320), (52, 211130), (65, 168904), (86, 127660), (104, 105565), (130, 84452), (172, 63830), (215, 51064), (260, 42226), (344, 31915), (430, 25532), (491, 22360), (520, 21113), (559, 19640), (860, 12766), (982, 11180), (1118, 9820), (1720, 6383), (1964, 5590), (2236, 4910), (2455, 4472), (2795, 3928)]