134691280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54311}}^1$

素因数の和:54355

約数の個数: 40

約数和(自身を含む): 323265024

約数和(自身を除く): 188573744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 54311, 108622, 217244, 271555, 434488, 543110, 868976, 1086220, 1683641, 2172440, 3367282, 4344880, 6734564, 8418205, 13469128, 16836410, 26938256, 33672820, 67345640, 134691280]

約数ペア:

[(1, 134691280), (2, 67345640), (4, 33672820), (5, 26938256), (8, 16836410), (10, 13469128), (16, 8418205), (20, 6734564), (31, 4344880), (40, 3367282), (62, 2172440), (80, 1683641), (124, 1086220), (155, 868976), (248, 543110), (310, 434488), (496, 271555), (620, 217244), (1240, 108622), (2480, 54311)]