8153440

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 19459440

約数和(自身を除く): 11306000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 389, 524, 655, 778, 1048, 1310, 1556, 1945, 2096, 2620, 3112, 3890, 4192, 5240, 6224, 7780, 10480, 12448, 15560, 20960, 31120, 50959, 62240, 101918, 203836, 254795, 407672, 509590, 815344, 1019180, 1630688, 2038360, 4076720, 8153440]

約数ペア:

[(1, 8153440), (2, 4076720), (4, 2038360), (5, 1630688), (8, 1019180), (10, 815344), (16, 509590), (20, 407672), (32, 254795), (40, 203836), (80, 101918), (131, 62240), (160, 50959), (262, 31120), (389, 20960), (524, 15560), (655, 12448), (778, 10480), (1048, 7780), (1310, 6224), (1556, 5240), (1945, 4192), (2096, 3890), (2620, 3112)]