128174150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6417

約数の個数: 48

約数和(自身を含む): 265066368

約数和(自身を除く): 136892218

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 6361, 10075, 12722, 20150, 31805, 63610, 82693, 159025, 165386, 197191, 318050, 394382, 413465, 826930, 985955, 1971910, 2067325, 2563483, 4134650, 4929775, 5126966, 9859550, 12817415, 25634830, 64087075, 128174150]

約数ペア:

[(1, 128174150), (2, 64087075), (5, 25634830), (10, 12817415), (13, 9859550), (25, 5126966), (26, 4929775), (31, 4134650), (50, 2563483), (62, 2067325), (65, 1971910), (130, 985955), (155, 826930), (310, 413465), (325, 394382), (403, 318050), (650, 197191), (775, 165386), (806, 159025), (1550, 82693), (2015, 63610), (4030, 31805), (6361, 20150), (10075, 12722)]