83347840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4251

約数の個数: 64

約数和(自身を含む): 205729920

約数和(自身を除く): 122382080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4201, 4960, 8402, 9920, 16804, 19840, 21005, 33608, 42010, 67216, 84020, 130231, 134432, 168040, 260462, 268864, 336080, 520924, 537728, 651155, 672160, 1041848, 1302310, 1344320, 2083696, 2604620, 2688640, 4167392, 5209240, 8334784, 10418480, 16669568, 20836960, 41673920, 83347840]

約数ペア:

[(1, 83347840), (2, 41673920), (4, 20836960), (5, 16669568), (8, 10418480), (10, 8334784), (16, 5209240), (20, 4167392), (31, 2688640), (32, 2604620), (40, 2083696), (62, 1344320), (64, 1302310), (80, 1041848), (124, 672160), (128, 651155), (155, 537728), (160, 520924), (248, 336080), (310, 268864), (320, 260462), (496, 168040), (620, 134432), (640, 130231), (992, 84020), (1240, 67216), (1984, 42010), (2480, 33608), (3968, 21005), (4201, 19840), (4960, 16804), (8402, 9920)]