29121820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16030

約数の個数: 48

約数和(自身を含む): 75273408

約数和(自身を除く): 46151588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16001, 32002, 64004, 80005, 112007, 160010, 208013, 224014, 320020, 416026, 448028, 560035, 832052, 1040065, 1120070, 1456091, 2080130, 2240140, 2912182, 4160260, 5824364, 7280455, 14560910, 29121820]

約数ペア:

[(1, 29121820), (2, 14560910), (4, 7280455), (5, 5824364), (7, 4160260), (10, 2912182), (13, 2240140), (14, 2080130), (20, 1456091), (26, 1120070), (28, 1040065), (35, 832052), (52, 560035), (65, 448028), (70, 416026), (91, 320020), (130, 224014), (140, 208013), (182, 160010), (260, 112007), (364, 80005), (455, 64004), (910, 32002), (1820, 16001)]