28134520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 67417920

約数和(自身を除く): 39283400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 577, 920, 1060, 1154, 1219, 2120, 2308, 2438, 2885, 4616, 4876, 5770, 6095, 9752, 11540, 12190, 13271, 23080, 24380, 26542, 30581, 48760, 53084, 61162, 66355, 106168, 122324, 132710, 152905, 244648, 265420, 305810, 530840, 611620, 703363, 1223240, 1406726, 2813452, 3516815, 5626904, 7033630, 14067260, 28134520]

約数ペア:

[(1, 28134520), (2, 14067260), (4, 7033630), (5, 5626904), (8, 3516815), (10, 2813452), (20, 1406726), (23, 1223240), (40, 703363), (46, 611620), (53, 530840), (92, 305810), (106, 265420), (115, 244648), (184, 152905), (212, 132710), (230, 122324), (265, 106168), (424, 66355), (460, 61162), (530, 53084), (577, 48760), (920, 30581), (1060, 26542), (1154, 24380), (1219, 23080), (2120, 13271), (2308, 12190), (2438, 11540), (2885, 9752), (4616, 6095), (4876, 5770)]