128155540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{12113}}^1$

素因数の和:12168

約数の個数: 36

約数和(自身を含む): 281359764

約数和(自身を除く): 153204224

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 12113, 24226, 48452, 60565, 121130, 242260, 278599, 557198, 1114396, 1392995, 2785990, 5571980, 6407777, 12815554, 25631108, 32038885, 64077770, 128155540]

約数ペア:

[(1, 128155540), (2, 64077770), (4, 32038885), (5, 25631108), (10, 12815554), (20, 6407777), (23, 5571980), (46, 2785990), (92, 1392995), (115, 1114396), (230, 557198), (460, 278599), (529, 242260), (1058, 121130), (2116, 60565), (2645, 48452), (5290, 24226), (10580, 12113)]