2667726620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{16007}}^1$

素因数の和:16670

約数の個数: 48

約数和(自身を含む): 6042955968

約数和(自身を除く): 3375229348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641, 1282, 2564, 3205, 6410, 8333, 12820, 16007, 16666, 32014, 33332, 41665, 64028, 80035, 83330, 160070, 166660, 208091, 320140, 416182, 832364, 1040455, 2080910, 4161820, 10260487, 20520974, 41041948, 51302435, 102604870, 133386331, 205209740, 266772662, 533545324, 666931655, 1333863310, 2667726620]

約数ペア:

[(1, 2667726620), (2, 1333863310), (4, 666931655), (5, 533545324), (10, 266772662), (13, 205209740), (20, 133386331), (26, 102604870), (52, 51302435), (65, 41041948), (130, 20520974), (260, 10260487), (641, 4161820), (1282, 2080910), (2564, 1040455), (3205, 832364), (6410, 416182), (8333, 320140), (12820, 208091), (16007, 166660), (16666, 160070), (32014, 83330), (33332, 80035), (41665, 64028)]