161493280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77641}}^1$

素因数の和:77669

約数の個数: 48

約数和(自身を含む): 410881464

約数和(自身を除く): 249388184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 77641, 155282, 310564, 388205, 621128, 776410, 1009333, 1242256, 1552820, 2018666, 2484512, 3105640, 4037332, 5046665, 6211280, 8074664, 10093330, 12422560, 16149328, 20186660, 32298656, 40373320, 80746640, 161493280]

約数ペア:

[(1, 161493280), (2, 80746640), (4, 40373320), (5, 32298656), (8, 20186660), (10, 16149328), (13, 12422560), (16, 10093330), (20, 8074664), (26, 6211280), (32, 5046665), (40, 4037332), (52, 3105640), (65, 2484512), (80, 2018666), (104, 1552820), (130, 1242256), (160, 1009333), (208, 776410), (260, 621128), (416, 388205), (520, 310564), (1040, 155282), (2080, 77641)]